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Chessboard and chess
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Patent number 12,151,176
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Issue date Nov 26, 2024
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Junqu Liao
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A63 - SPORTS GAMES AMUSEMENTS
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Scoring system for games
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Patent number 7,713,117
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Issue date May 11, 2010
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Microsoft Corporation
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Thore K. H. Graepel
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A63 - SPORTS GAMES AMUSEMENTS
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Game board apparatus
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Patent number 5,263,866
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Issue date Nov 23, 1993
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Gregory S. Campbell
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Chess-like game
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Patent number 5,257,787
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Issue date Nov 2, 1993
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Joseph A. Miccio
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A63 - SPORTS GAMES AMUSEMENTS
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-
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Game playing apparatus
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Patent number 4,156,976
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Issue date Jun 5, 1979
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Norbert K. Mikun
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Electronic chess game
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Patent number 4,082,285
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Issue date Apr 4, 1978
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David B. Bathurst
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A63 - SPORTS GAMES AMUSEMENTS
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Electrical chess game
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Patent number 4,019,745
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Issue date Apr 26, 1977
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Enrique Mustelier
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A63 - SPORTS GAMES AMUSEMENTS
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3923306
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Patent number 3,923,306
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Issue date Dec 2, 1975
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3843133
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Patent number 3,843,133
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Issue date Oct 22, 1974
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A63 - SPORTS GAMES AMUSEMENTS
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3843132
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Patent number 3,843,132
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Issue date Oct 22, 1974
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A63 - SPORTS GAMES AMUSEMENTS
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3760404
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Patent number 3,760,404
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Issue date Sep 18, 1973
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A63 - SPORTS GAMES AMUSEMENTS
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3703293
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Patent number 3,703,293
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Issue date Nov 21, 1972
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A63 - SPORTS GAMES AMUSEMENTS
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3683363
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Patent number 3,683,363
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Issue date Aug 8, 1972
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A63 - SPORTS GAMES AMUSEMENTS
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3654392
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Patent number 3,654,392
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Issue date Apr 4, 1972
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A63 - SPORTS GAMES AMUSEMENTS
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3345071
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Patent number 3,345,071
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Issue date Oct 3, 1967
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A63 - SPORTS GAMES AMUSEMENTS