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Bicycle seat post
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Patent number 6,957,856
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Issue date Oct 25, 2005
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Tien Hsin Industries Co., LTD
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Douglas Chiang
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Bicycle handlebar
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Patent number D499055
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Issue date Nov 30, 2004
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Tien Hsin Industries Co., Ltd.
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Douglas Chiang
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D12 - Transportation
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Bicycle crank
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Patent number D498710
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Issue date Nov 23, 2004
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Tien Hsin Industries Co., Ltd.
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Douglas Chiang
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D12 - Transportation
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Bicycle crank
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Patent number D498711
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Issue date Nov 23, 2004
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Tien Hsin Industries Co., Ltd.
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Douglas Chiang
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D12 - Transportation