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Body contact game
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Patent number 4,765,748
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Issue date Aug 23, 1988
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Loren C. Fidalgo
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A63 - SPORTS GAMES AMUSEMENTS
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3260892
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Patent number 3,260,892
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Issue date Jul 12, 1966
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G05 - CONTROLLING REGULATING
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3181029
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Patent number 3,181,029
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Issue date Apr 27, 1965
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G05 - CONTROLLING REGULATING
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2474447
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Patent number 2,474,447
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Issue date Jun 28, 1949
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A63 - SPORTS GAMES AMUSEMENTS
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2260892
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Patent number 2,260,892
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Issue date Oct 28, 1941
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G05 - CONTROLLING REGULATING