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Pyramid game
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Patent number 8,353,515
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Issue date Jan 15, 2013
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Wei Chuan Cheng
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A63 - SPORTS GAMES AMUSEMENTS
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Corporate ladder game
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Patent number 6,142,472
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Issue date Nov 7, 2000
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Henry Kliebisch
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A63 - SPORTS GAMES AMUSEMENTS
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Table game
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Patent number 5,951,010
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Issue date Sep 14, 1999
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Jaime Ordinas
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A63 - SPORTS GAMES AMUSEMENTS
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Rapid pace word game
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Patent number 4,384,722
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Issue date May 24, 1983
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Robert W. Higgins
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A63 - SPORTS GAMES AMUSEMENTS
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3706456
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Patent number 3,706,456
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Issue date Dec 19, 1972
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A63 - SPORTS GAMES AMUSEMENTS
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3030112
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Patent number 3,030,112
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Issue date Apr 17, 1962
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A63 - SPORTS GAMES AMUSEMENTS
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2998973
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Patent number 2,998,973
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Issue date Sep 5, 1961
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A63 - SPORTS GAMES AMUSEMENTS
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2729451
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Patent number 2,729,451
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Issue date Jan 3, 1956
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A63 - SPORTS GAMES AMUSEMENTS