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Child play puzzle
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Patent number 11,865,466
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Issue date Jan 9, 2024
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Lovevery, Inc.
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Philip J. Fouts
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A63 - SPORTS GAMES AMUSEMENTS
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Towers of hanoi game
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Patent number 5,992,851
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Issue date Nov 30, 1999
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Miklos Ajtai
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A63 - SPORTS GAMES AMUSEMENTS
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Strategy game
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Patent number 5,560,605
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Issue date Oct 1, 1996
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Filadelfo Garcia
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A63 - SPORTS GAMES AMUSEMENTS
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2738979
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Patent number 2,738,979
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Issue date Mar 20, 1956
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A63 - SPORTS GAMES AMUSEMENTS
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2595938
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Patent number 2,595,938
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Issue date May 6, 1952
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A63 - SPORTS GAMES AMUSEMENTS
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1565901
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Patent number 1,565,901
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Issue date Dec 15, 1925
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A63 - SPORTS GAMES AMUSEMENTS