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3789541
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Patent number 3,789,541
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Issue date Feb 5, 1974
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A63 - SPORTS GAMES AMUSEMENTS
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2540317
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Patent number 2,540,317
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Issue date Feb 6, 1951
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A63 - SPORTS GAMES AMUSEMENTS
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1723552
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Patent number 1,723,552
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Issue date Aug 6, 1929
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A63 - SPORTS GAMES AMUSEMENTS
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1640417
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Patent number 1,640,417
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Issue date Aug 30, 1927
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A63 - SPORTS GAMES AMUSEMENTS
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1422862
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Patent number 1,422,862
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Issue date Jul 18, 1922
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A63 - SPORTS GAMES AMUSEMENTS