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Acceleration trainer
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Patent number 10,238,908
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Issue date Mar 26, 2019
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Pro Performance Sports, L.L.C.
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Michael Cummings
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A63 - SPORTS GAMES AMUSEMENTS
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Muscle biasing device
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Patent number 9,901,770
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Issue date Feb 27, 2018
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ERACLES-TECHNOLOGY
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Arnaud Vannicatte
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A63 - SPORTS GAMES AMUSEMENTS
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Grip device
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Patent number 6,319,175
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Issue date Nov 20, 2001
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Race Wu
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A63 - SPORTS GAMES AMUSEMENTS
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Exercise apparatus
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Patent number 4,726,580
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Issue date Feb 23, 1988
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Stanley Batiste
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A63 - SPORTS GAMES AMUSEMENTS
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Pass-blocking sled
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Patent number 4,508,341
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Issue date Apr 2, 1985
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Michael R. Carrington
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A63 - SPORTS GAMES AMUSEMENTS
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Exercising device
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Patent number 3,937,462
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Issue date Feb 10, 1976
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Kasimir Kusmer
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A63 - SPORTS GAMES AMUSEMENTS
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3029076
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Patent number 3,029,076
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Issue date Apr 10, 1962
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A63 - SPORTS GAMES AMUSEMENTS