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data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p>The <b>patent safe</b> game was a confidence trick much practiced during the late <a href="/wiki/American_Civil_War" title="American Civil War">Civil War</a> in and around <a href="/wiki/New_York_City" title="New York City">New York City</a>. It is a variation on the <a href="/wiki/Coin-matching_game" title="Coin-matching game">coin-matching game</a>, in which the person to be scammed believes they are party to a trick only they and a second person know. </p><p>It was carried on principally in the neighborhood of the <a href="/w/index.php?title=Hudson_River_Depot&action=edit&redlink=1" class="new" title="Hudson River Depot (page does not exist)">Hudson River Depot</a>, and the complaints of the victims, to the police, were loud and numerous.<sup id="cite_ref-secrets_1-0" class="reference"><a href="#cite_note-secrets-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>A contemporary account in <i>The Secrets of the Great City</i> describes the trick: </p> <style data-mw-deduplicate="TemplateStyles:r1244412712">.mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 32px}.mw-parser-output .templatequotecite{line-height:1.5em;text-align:left;margin-top:0}@media(min-width:500px){.mw-parser-output .templatequotecite{padding-left:1.6em}}</style><blockquote class="templatequote"><p>A stranger in the city would be accosted by a well-dressed individual, who would immediately begin a careless, friendly conversation. If the overtures of this individual are not repulsed in the first instance, he is soon joined by his accomplice, who professes to be a stranger to swindler number one. </p><p>The accomplice has in his possession a small brass ball or sphere, which he says is the model of a patent safe, much used by merchants in China and India. He is trying to introduce it in this country, and would like to show the gentleman his model. This brass ball is, to all appearance, solid, but to the initiated it is soon made hollow, by pressing on a certain inner circle, when the centre of the ball, which is in the shape of a small cone, drops out. The bottom of the cone may be unscrewed, when a little chamber is revealed, in which is a long piece of white paper, carefully folded and secreted. The other end of the cone, the top of it, can be unscrewed, and a second chamber is revealed, in which is a second piece of paper, exactly like the first. </p><p> Swindler number one takes the ball, examines it, and declares that it must be solid. The accomplice then presses the spring, and the centre drops out. He then unscrews one of the chambers, and reveals the paper to the admiring stranger and swindler number one. The accomplice's attention is here called away for a moment, and swindler number one, quietly winking at the stranger, abstracts the paper from the chamber, screws the lid on, and replaces the centre in the ball. Handing it back to the accomplice, he whispers to the stranger that he is about to win some money. He then bets the accomplice a sum which he thinks proportioned to the means of the stranger, that there is no paper in the ball. The bet is promptly taken by the accomplice. Swindler number one finds that he has no money, and asks the stranger to lend him the amount, offering to divide the winning with him. The stranger, who has seen the paper abstracted from the ball, is sure his new-found friend will win, and not being averse to making a little money on the spot, produces the desired amount, and hands it to his friend. The accomplice then opens the second chamber, reveals the duplicate piece of paper, and claims the stakes. The stranger loses his money, and is taught a useful lesson. He may apply to the police, if he wishes to do so, but the probabilities are that he will never see either his "friends", the safe, or his money, again.</p><div class="templatequotecite">— <cite><sup id="cite_ref-secrets_1-1" class="reference"><a href="#cite_note-secrets-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></cite></div></blockquote> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Patent_safe&action=edit&section=1" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-secrets-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-secrets_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-secrets_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFMcCabe1868" class="citation book cs1">McCabe, James (1868). <a rel="nofollow" class="external text" href="https://archive.org/details/secretsofgreatci01mcca/page/535/mode/1up"><i>The Secrets of the Great City</i></a>. National publishing Company. pp. 535–536. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780608411484" title="Special:BookSources/9780608411484"><bdi>9780608411484</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Secrets+of+the+Great+City&rft.pages=535-536&rft.pub=National+publishing+Company.&rft.date=1868&rft.isbn=9780608411484&rft.aulast=McCabe&rft.aufirst=James&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsecretsofgreatci01mcca%2Fpage%2F535%2Fmode%2F1up&rfr_id=info%3Asid%2Fen.wikipedia.org%3APatent+safe" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://www.nytimes.com/search/?frow=0&n=10&srcht=a&query=%2522patent-safe%2522&srchst=p&hdlquery=&bylquery=&daterange=period&mon1=01&day1=01&year1=1981&mon2=03&day2=25&year2=2007&submit.x=15&submit.y=10">"Showing 18 results for: 'patent-safe'<span class="cs1-kern-right"></span>"</a>. <i><a href="/wiki/The_New_York_Times" title="The New York Times">The New York Times</a></i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+New+York+Times&rft.atitle=Showing+18+results+for%3A+%27patent-safe%27&rft_id=https%3A%2F%2Fwww.nytimes.com%2Fsearch%2F%3Ffrow%3D0%26n%3D10%26srcht%3Da%26query%3D%252522patent-safe%252522%26srchst%3Dp%26hdlquery%3D%26bylquery%3D%26daterange%3Dperiod%26mon1%3D01%26day1%3D01%26year1%3D1981%26mon2%3D03%26day2%3D25%26year2%3D2007%26submit.x%3D15%26submit.y%3D10&rfr_id=info%3Asid%2Fen.wikipedia.org%3APatent+safe" class="Z3988"></span></span> </li> </ol></div> <div class="navbox-styles"><style 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abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Scams_and_confidence_tricks" title="Template:Scams and confidence tricks"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Scams_and_confidence_tricks" title="Template talk:Scams and confidence tricks"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Scams_and_confidence_tricks" title="Special:EditPage/Template:Scams and confidence tricks"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Scams_and_confidence_tricks" style="font-size:114%;margin:0 4em">Scams and confidence tricks</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Terminology</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Scam" title="Scam">Scam</a></li> <li><a href="/wiki/Error_account" title="Error account">Error account</a></li> <li><a href="/wiki/Shill" title="Shill">Shill</a></li> <li><a href="/wiki/Shyster" title="Shyster">Shyster</a></li> <li><a href="/wiki/Sucker_list" title="Sucker list">Sucker list</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Variants</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Advance-fee_scam" title="Advance-fee scam">Advance-fee scam</a></li> <li><a href="/wiki/Art_student_scam" title="Art student scam">Art student scam</a></li> <li><a href="/wiki/Badger_game" title="Badger game">Badger game</a></li> <li><a href="/wiki/Bait-and-switch" title="Bait-and-switch">Bait-and-switch</a></li> <li><a href="/wiki/Black_money_scam" title="Black money scam">Black money scam</a></li> <li><a href="/wiki/Blessing_scam" title="Blessing scam">Blessing scam</a></li> <li><a href="/wiki/Bogus_escrow" title="Bogus escrow">Bogus escrow</a></li> <li><a href="/wiki/Boiler_room_(business)" title="Boiler room (business)">Boiler room</a></li> <li><a href="/wiki/Bride_scam" title="Bride scam">Bride scam</a></li> <li><a href="/wiki/Charity_fraud" title="Charity fraud">Charity fraud</a></li> <li><a href="/wiki/Clip_joint" title="Clip joint">Clip joint</a></li> <li><a href="/wiki/Coin-matching_game" title="Coin-matching game">Coin-matching game</a></li> <li><a href="/wiki/Coin_rolling_scams" title="Coin rolling scams">Coin rolling scams</a></li> <li><a href="/wiki/Drop_swindle" title="Drop swindle">Drop swindle</a></li> <li><a href="/wiki/Embarrassing_cheque" title="Embarrassing cheque">Embarrassing cheque</a></li> <li><a href="/wiki/Exit_scam" title="Exit scam">Exit scam</a></li> <li><a href="/wiki/Extraterrestrial_real_estate" title="Extraterrestrial real estate">Extraterrestrial real estate</a></li> <li><a href="/wiki/Fiddle_game" class="mw-redirect" title="Fiddle game">Fiddle game</a></li> <li><a href="/wiki/Fine_print" title="Fine print">Fine print</a></li> <li><a href="/wiki/Foreclosure_rescue_scheme" title="Foreclosure rescue scheme">Foreclosure rescue scheme</a></li> <li><a href="/wiki/Foreign_exchange_fraud" title="Foreign exchange fraud">Foreign exchange fraud</a></li> <li><a href="/wiki/Fortune_telling_fraud" title="Fortune telling fraud">Fortune telling fraud</a></li> <li><a href="/wiki/Gem_scam" title="Gem scam">Gem scam</a></li> <li><a href="/wiki/Get-rich-quick_scheme" title="Get-rich-quick scheme">Get-rich-quick scheme</a></li> <li><a href="/wiki/Green_goods_scam" title="Green goods scam">Green goods scam</a></li> <li><a href="/wiki/Hustling" title="Hustling">Hustling</a></li> <li><a href="/wiki/Indian_coal_allocation_scam" title="Indian coal allocation scam">Indian coal allocation scam</a></li> <li><a href="/wiki/IRS_impersonation_scam" title="IRS impersonation scam">IRS impersonation scam</a></li> <li><a href="/wiki/Scams_in_intellectual_property" title="Scams in intellectual property">Intellectual property scams</a></li> <li><a href="/wiki/Kansas_City_Shuffle" title="Kansas City Shuffle">Kansas City Shuffle</a></li> <li><a href="/wiki/Locksmith_scam" title="Locksmith scam">Locksmith scam</a></li> <li><a href="/wiki/Long_firm_fraud" title="Long firm fraud">Long firm</a></li> <li><a href="/wiki/Mismarking" title="Mismarking">Mismarking</a></li> <li><a href="/wiki/Mock_auction" title="Mock auction">Mock auction</a></li> <li><a href="/wiki/Moving_scam" title="Moving scam">Moving scam</a></li> <li><a href="/wiki/Overpayment_scam" title="Overpayment scam">Overpayment scam</a></li> <li><a class="mw-selflink selflink">Patent safe</a></li> <li><a href="/wiki/Pig_in_a_poke" title="Pig in a poke">Pig in a poke</a></li> <li><a href="/wiki/Pigeon_drop" title="Pigeon drop">Pigeon drop</a></li> <li><a href="/wiki/Pork_barrel" title="Pork barrel">Pork barrel</a></li> <li><a href="/wiki/Pump_and_dump" title="Pump and dump">Pump and dump</a></li> <li><a href="/wiki/Redemption_movement" title="Redemption movement">Redemption/A4V schemes</a></li> <li><a href="/wiki/Reloading_scam" title="Reloading scam">Reloading scam</a></li> <li><a href="/wiki/Return_fraud" title="Return fraud">Return fraud</a></li> <li><a href="/wiki/Salting_(confidence_trick)" title="Salting (confidence trick)">Salting</a></li> <li><a href="/wiki/Shell_game" title="Shell game">Shell game</a></li> <li><a href="/wiki/Sick_baby_hoax" title="Sick baby hoax">Sick baby hoax</a></li> <li><a href="/wiki/SIM_swap_scam" title="SIM swap scam">SIM swap scam</a></li> <li><a href="/wiki/Slavery_reparations_scam" title="Slavery reparations scam">Slavery reparations scam</a></li> <li><a href="/wiki/Spanish_Prisoner" title="Spanish Prisoner">Spanish Prisoner</a></li> <li><a href="/wiki/SSA_impersonation_scam" title="SSA impersonation scam">SSA impersonation scam</a></li> <li><a href="/wiki/SSC_Scam" title="SSC Scam">SSC Scam</a></li> <li><a href="/wiki/Strip_search_phone_call_scam" title="Strip search phone call scam">Strip search phone call scam</a></li> <li><a href="/wiki/Swampland_in_Florida" title="Swampland in Florida">Swampland in Florida</a></li> <li><a href="/wiki/Tarmac_scam" title="Tarmac scam">Tarmac scam</a></li> <li><a href="/wiki/Technical_support_scam" title="Technical support scam">Technical support scam</a></li> <li><a href="/wiki/Telemarketing_fraud" title="Telemarketing fraud">Telemarketing fraud</a></li> <li><a href="/wiki/Thai_tailor_scam" title="Thai tailor scam">Thai tailor scam</a></li> <li><a href="/wiki/Thai_zig_zag_scam" title="Thai zig zag scam">Thai zig zag scam</a></li> <li><a href="/wiki/Three-card_monte" title="Three-card monte">Three-card monte</a></li> <li><a href="/wiki/Trojan_horse_(business)" title="Trojan horse (business)">Trojan horse</a></li> <li><a href="/wiki/Wash_trading" class="mw-redirect" title="Wash trading">Wash trading</a></li> <li><a href="/wiki/White_van_speaker_scam" title="White van speaker scam">White van speaker scam</a></li> <li><a href="/wiki/Work-at-home_scheme" title="Work-at-home scheme">Work-at-home scheme</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Internet_fraud" title="Internet fraud">Internet scams</a> and<br />countermeasures</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Avalanche_(phishing_group)" title="Avalanche (phishing group)">Avalanche</a></li> <li><a href="/wiki/Pig_butchering_scam" title="Pig butchering scam">Pig Butchering</a></li> <li><a href="/wiki/Carding_(fraud)" title="Carding (fraud)">Carding</a></li> <li><a href="/wiki/Catfishing" title="Catfishing">Catfishing</a></li> <li><a href="/wiki/Click_fraud" title="Click fraud">Click fraud</a></li> <li><a href="/wiki/Clickjacking" title="Clickjacking">Clickjacking</a></li> <li><a href="/wiki/Cramming_(fraud)" title="Cramming (fraud)">Cramming</a></li> <li><a href="/wiki/Category:Cryptocurrency_scams" title="Category:Cryptocurrency scams">Cryptocurrency scams</a></li> <li><a href="/wiki/Cybercrime" title="Cybercrime">Cybercrime</a></li> <li><a href="/wiki/CyberThrill" title="CyberThrill">CyberThrill</a></li> <li><a href="/wiki/DarkMarket" title="DarkMarket">DarkMarket</a></li> <li><a href="/wiki/Domain_name_scams" class="mw-redirect" title="Domain name scams">Domain name scams</a></li> <li><a href="/wiki/Email_authentication" title="Email authentication">Email authentication</a></li> <li><a href="/wiki/Email_fraud" title="Email fraud">Email fraud</a></li> <li><a href="/wiki/Internet_vigilantism" title="Internet vigilantism">Internet vigilantism</a></li> <li><a href="/wiki/Lenny_(bot)" title="Lenny (bot)">Lenny anti-scam bot</a></li> <li><a href="/wiki/Lottery_scam" title="Lottery scam">Lottery scam</a></li> <li><a href="/wiki/PayPaI" title="PayPaI">PayPai</a></li> <li><a href="/wiki/Phishing" title="Phishing">Phishing</a></li> <li><a href="/wiki/Referer_spoofing" title="Referer spoofing">Referer spoofing</a></li> <li><a href="/wiki/Ripoff_Report" title="Ripoff Report">Ripoff Report</a></li> <li><a href="/wiki/Rock_Phish" title="Rock Phish">Rock Phish</a></li> <li><a href="/wiki/Romance_scam" title="Romance scam">Romance scam</a></li> <li><a href="/wiki/Russian_Business_Network" title="Russian Business Network">Russian Business Network</a></li> <li><a href="/wiki/SaferNet" title="SaferNet">SaferNet</a></li> <li><a href="/wiki/Scam_baiting" title="Scam baiting">Scam baiting</a> <ul><li><a href="/wiki/419eater.com" title="419eater.com">419eater.com</a></li> <li><a href="/wiki/Jim_Browning_(YouTuber)" title="Jim Browning (YouTuber)">Jim Browning</a></li> <li><a href="/wiki/Kitboga_(streamer)" title="Kitboga (streamer)">Kitboga</a></li> <li><a href="/wiki/Scammer_Payback" title="Scammer Payback">Scammer Payback</a></li></ul></li> <li><a href="/wiki/ShadowCrew" title="ShadowCrew">ShadowCrew</a></li> <li><a href="/wiki/Spoofed_URL" title="Spoofed URL">Spoofed URL</a></li> <li><a href="/wiki/Spoofing_attack" title="Spoofing attack">Spoofing attack</a></li> <li><a href="/wiki/Stock_Generation" title="Stock Generation">Stock Generation</a></li> <li><a href="/wiki/Voice_phishing" title="Voice phishing">Voice phishing</a></li> <li><a href="/wiki/Reputation_management" title="Reputation management">Website reputation ratings</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Pyramid_scheme" title="Pyramid scheme">Pyramid</a> and<br /><a href="/wiki/Ponzi_scheme" title="Ponzi scheme">Ponzi schemes</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aman_Futures_Group" class="mw-redirect" title="Aman Futures Group">Aman Futures Group</a></li> <li><a href="/wiki/Bernard_Cornfeld" title="Bernard Cornfeld">Bernard Cornfeld</a></li> <li><a href="/wiki/Caritas_(Ponzi_scheme)" title="Caritas (Ponzi scheme)">Caritas</a></li> <li><a href="/wiki/Dona_Branca" title="Dona Branca">Dona Branca</a></li> <li><a href="/wiki/Earl_Jones_(investment_advisor)" title="Earl Jones (investment advisor)">Earl Jones</a></li> <li><a href="/wiki/Ezubao" title="Ezubao">Ezubao</a></li> <li><a href="/wiki/Foundation_for_New_Era_Philanthropy" title="Foundation for New Era Philanthropy">Foundation for New Era Philanthropy</a></li> <li><a href="/wiki/Franchise_fraud" title="Franchise fraud">Franchise fraud</a></li> <li><a href="/wiki/High-yield_investment_program" title="High-yield investment program">High-yield investment program (HYIP)</a></li> <li><a href="/wiki/Investors_Overseas_Service" title="Investors Overseas Service">Investors Overseas Service</a></li> <li><a href="/wiki/Kapa_investment_scam" class="mw-redirect" title="Kapa investment scam">Kapa investment scam</a></li> <li><a href="/wiki/Kubus_scheme" title="Kubus scheme">Kubus scheme</a></li> <li><a href="/wiki/Madoff_investment_scandal" title="Madoff investment scandal">Madoff investment scandal</a></li> <li><a href="/wiki/Make_Money_Fast" title="Make Money Fast">Make Money Fast</a></li> <li><a href="/wiki/Matrix_scheme" title="Matrix scheme">Matrix scheme</a></li> <li><a href="/wiki/MMM_(Ponzi_scheme_company)" title="MMM (Ponzi scheme company)">MMM</a></li> <li><a href="/wiki/Petters_Group_Worldwide" title="Petters Group Worldwide">Petters Group Worldwide</a></li> <li><a href="/wiki/Pyramid_schemes_in_Albania" title="Pyramid schemes in Albania">Pyramid schemes in Albania</a></li> <li><a href="/wiki/Reed_Slatkin" title="Reed Slatkin">Reed Slatkin</a></li> <li><a href="/wiki/Saradha_Group_financial_scandal" title="Saradha Group financial scandal">Saradha Group financial scandal</a></li> <li><a href="/wiki/Secret_Sister" title="Secret Sister">Secret Sister</a></li> <li><a href="/wiki/Scott_W._Rothstein" title="Scott W. Rothstein">Scott W. Rothstein</a></li> <li><a href="/wiki/Stanford_Financial_Group" title="Stanford Financial Group">Stanford Financial Group</a></li> <li><a href="/wiki/Welsh_Thrasher_faith_scam" title="Welsh Thrasher faith scam">Welsh Thrasher faith scam</a></li> <li><a href="/wiki/WinCapita" title="WinCapita">WinCapita</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Lists</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_con_artists" title="List of con artists">Con artists</a></li> <li><a href="/wiki/List_of_confidence_tricks" class="mw-redirect" title="List of confidence tricks">Confidence tricks</a></li> <li><a href="/wiki/List_of_criminal_enterprises,_gangs,_and_syndicates" title="List of criminal enterprises, gangs, and syndicates">Criminal enterprises, gangs and syndicates</a></li> <li><a href="/wiki/List_of_impostors" title="List of impostors">Impostors</a></li> <li>In the media <ul><li><a href="/wiki/Confidence_tricks_in_film_and_television" title="Confidence tricks in film and television">Film and television</a></li> <li><a href="/wiki/Confidence_tricks_in_literature" title="Confidence tricks in literature">Literature</a></li></ul></li> <li><a href="/wiki/List_of_Ponzi_schemes" title="List of Ponzi schemes">Ponzi schemes</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Patent_safe&oldid=1007761544">https://en.wikipedia.org/w/index.php?title=Patent_safe&oldid=1007761544</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Category</a>: <ul><li><a href="/wiki/Category:Confidence_tricks" title="Category:Confidence tricks">Confidence tricks</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 19 February 2021, at 20:12<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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