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3D jigsaw puzzle
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Patent number 7,523,938
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Issue date Apr 28, 2009
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Shih-Hung Chuang
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A63 - SPORTS GAMES AMUSEMENTS
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Logical game element
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Patent number 6,199,865
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Issue date Mar 13, 2001
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Igor Goldman
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A63 - SPORTS GAMES AMUSEMENTS
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Three-dimensional puzzle
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Patent number 6,086,067
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Issue date Jul 11, 2000
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Distributions Muralex Inc.
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Pierre Benoit
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A63 - SPORTS GAMES AMUSEMENTS
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Puzzle book rack
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Patent number 5,971,165
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Issue date Oct 26, 1999
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Innovative USA, Inc.
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Michael Levins
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Three dimensional puzzles
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Patent number 5,826,873
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Issue date Oct 27, 1998
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Interlock Marketing Pty. Ltd.
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Giovanni Lavermicocca
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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Word forming tile game
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Patent number 4,690,410
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Issue date Sep 1, 1987
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Incomm Direct Pty. Ltd.
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Andrew S. Berton
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A63 - SPORTS GAMES AMUSEMENTS
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2923551
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Patent number 2,923,551
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Issue date Feb 2, 1960
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A63 - SPORTS GAMES AMUSEMENTS
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2694265
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Patent number 2,694,265
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Issue date Nov 16, 1954
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1331741
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Patent number 1,331,741
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Issue date Feb 24, 1920
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A63 - SPORTS GAMES AMUSEMENTS