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Figure plate set
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Patent number 9,443,440
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Issue date Sep 13, 2016
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PASCAL CO., LTD.
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Hiroki Moriyasu
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A63 - SPORTS GAMES AMUSEMENTS
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Geometric game pieces
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Patent number 4,025,076
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Issue date May 24, 1977
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Edwin A. Lipps
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A63 - SPORTS GAMES AMUSEMENTS
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3837651
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Patent number 3,837,651
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Issue date Sep 24, 1974
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A63 - SPORTS GAMES AMUSEMENTS
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1657736
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Patent number 1,657,736
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Issue date Jan 31, 1928
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A63 - SPORTS GAMES AMUSEMENTS