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Cooling exercise treadmill
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Patent number 5,102,380
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Issue date Apr 7, 1992
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Proform Fitness Products, Inc.
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David L. Jacobson
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A63 - SPORTS GAMES AMUSEMENTS
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Treadmill
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Patent number D318699
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Issue date Jul 30, 1991
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David L. Jacobson
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D21 - Games, toys, and sports goods
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Treadmill housing
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Patent number D318085
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Issue date Jul 9, 1991
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Proform Fitness Products, Inc.
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David Jacobson
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D21 - Games, toys, and sports goods