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Ringer for a bicycle
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Patent number D619914
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Issue date Jul 20, 2010
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Shen-Keng Lin
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D10 - Measuring, testing, or signalling instruments
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Ringer for a bicycle
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Patent number D607764
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Issue date Jan 12, 2010
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Shen-Keng Lin
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D10 - Measuring, testing, or signalling instruments
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Bell
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Patent number D444729
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Issue date Jul 10, 2001
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Shen-Keng Lin
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D10 - Measuring, testing, or signalling instruments
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Ringer for a bicycle
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Patent number D395615
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Issue date Jun 30, 1998
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Shen-Keng Lin
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D10 - Measuring, testing, or signalling instruments
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Ringer for a bicycle
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Patent number D389422
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Issue date Jan 20, 1998
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Shen-Keng Lin
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D10 - Measuring, testing, or signalling instruments