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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 283/901
Name: Printed matter > Concealed data
Description: Cross-reference art collection drawn to printed matter normally hidden or sealed from view.


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7604855 Kinematic images formed by orienting alignable flakes Oct. 20, 2009
7582012 Methods and apparatus for lottery game play aggregation Sep. 1, 2009
7559553 Dual play area lottery game with enhanced authentication system Jul. 14, 2009
7530570 Lottery ticket game May. 12, 2009
7531108 Security features incorporating photoluminescent phosphor powders and methods for making security features May. 12, 2009
7517578 Method and apparatus for orienting magnetic flakes Apr. 14, 2009
7489797 Method and apparatus for fragile watermarking Feb. 10, 2009
7488002 Security and/or value document Feb. 10, 2009
7481432 Method of playing a poker-type scratch ticket game Jan. 27, 2009
7481431 Bingo-style lottery game ticket Jan. 27, 2009
7467873 Privacy film Dec. 23, 2008
7458580 Lottery game card having a Sudoku game Dec. 2, 2008
7431295 Lottery ticket with play action game Oct. 7, 2008
7429044 Scratch-ticket lottery and promotional games Sep. 30, 2008
7410168 Poker style scratch-ticket lottery games Aug. 12, 2008
7367592 Marking substance and security markings for testing the authenticity of documents May. 6, 2008
7354072 Authenticatable printed matter and its production method Apr. 8, 2008
7344160 Coin-discriminator voucher anti-counterfeiting method and apparatus Mar. 18, 2008
7328995 Method and apparatus for embedding information in an image Feb. 12, 2008
7240443 Information organization product and method Jul. 10, 2007
7226087 System and method for authenticating an article Jun. 5, 2007
7128319 Method of playing a game of chance including purchase of additional game play information and system for facilitating the play thereof Oct. 31, 2006
7125017 Dual play area lottery game with enhanced authentication system Oct. 24, 2006
7108286 Antifalsification paper and other antifalsification items Sep. 19, 2006
7080857 Authentication using near-field optical imaging Jul. 25, 2006
7040663 Value document May. 9, 2006
6953206 Safety adhesive foil as identification element Oct. 11, 2005
6939627 Scratch layer transfer sheet and method of producing scratch printing product Sep. 6, 2005
6926273 Seal card game and method Aug. 9, 2005
6923440 Seal card game with raffle Aug. 2, 2005
6921071 Multi-play jar tickets Jul. 26, 2005
6916047 Secure card Jul. 12, 2005
6896296 Irreversible metal film display May. 24, 2005
6880824 Apparatus for controlling play of a progressively operated lottery-type game Apr. 19, 2005
6877744 Game using combined coin board and seal card creating an action board Apr. 12, 2005
RE38666 Game material set and play method with money-match bonus level qualifier Dec. 7, 2004
6824135 Double win game Nov. 30, 2004
6817689 Currency bill having etched bill specific metallization Nov. 16, 2004
6802505 Marketing lottery card and on line marketing method using the same Oct. 12, 2004
6786513 Security document with a perforation pattern Sep. 7, 2004
6761378 Apparatus for maintaining the security of a substrate Jul. 13, 2004
6755441 Machine detectable document of value Jun. 29, 2004
6738491 Image forming apparatus and copy management system May. 18, 2004
6729656 Debit card having applied personal identification number (PIN) and scratch-off coating and method of forming same May. 4, 2004
6721067 Processing apparatus and method and storage medium Apr. 13, 2004
6715795 Multiple-component data package Apr. 6, 2004
6692031 Quantum dot security device and method Feb. 17, 2004
6644696 Coin-discriminator voucher anti-counterfeiting method and apparatus Nov. 11, 2003
6612576 Seal card game with multiple levels of play Sep. 2, 2003
6610351 Raman-active taggants and their recognition Aug. 26, 2003

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