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Exercise device
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Patent number 6,702,722
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Issue date Mar 9, 2004
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Joe Arroyo
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A63 - SPORTS GAMES AMUSEMENTS
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Exercise device
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Patent number 6,155,959
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Issue date Dec 5, 2000
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Joe Arroyo
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A63 - SPORTS GAMES AMUSEMENTS
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Exercise device
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Patent number 5,928,115
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Issue date Jul 27, 1999
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Joe Arroyo
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A63 - SPORTS GAMES AMUSEMENTS
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Propulsion apparatus
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Patent number 4,838,568
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Issue date Jun 13, 1989
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Joe Arroyo
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS