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Intellectual training toy
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Patent number 8,241,084
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Issue date Aug 14, 2012
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Agatsuma Co., Ltd
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Shinji Todokoro
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A63 - SPORTS GAMES AMUSEMENTS
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Flashing coin
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Patent number 6,685,338
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Issue date Feb 3, 2004
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Buztronics, Inc.
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Edward D. Lewis
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A63 - SPORTS GAMES AMUSEMENTS
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3771791
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Patent number 3,771,791
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Issue date Nov 13, 1973
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A63 - SPORTS GAMES AMUSEMENTS
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3503609
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Patent number 3,503,609
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Issue date Mar 31, 1970
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A63 - SPORTS GAMES AMUSEMENTS