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Riding device
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Patent number 7,104,927
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Issue date Sep 12, 2006
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Tonic Fitness Technology, Inc.
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Shih-Chang Tsai
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A63 - SPORTS GAMES AMUSEMENTS
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Walk simulating machine
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Patent number 7,044,893
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Issue date May 16, 2006
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Tonic Fitness Technology, Inc.
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Shih-Chang Tsai
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A63 - SPORTS GAMES AMUSEMENTS
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Walk simulating machine
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Patent number 7,014,597
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Issue date Mar 21, 2006
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Tonic Fitness Technology, Inc.
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Shih-Chang Tsai
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A63 - SPORTS GAMES AMUSEMENTS
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Riding device
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Patent number 6,964,614
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Issue date Nov 15, 2005
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Tonic Fitness Technology, Inc.
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Shih-Chang Tsai
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A63 - SPORTS GAMES AMUSEMENTS