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Crown for slide fastener
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Patent number D900674
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Issue date Nov 3, 2020
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CHUNG CHWAN ENTERPRISE CO., LTD.
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Yu-Pau Lin
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D11 - Jewelry, symbolic insignia, and ornaments
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Elastic element
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Patent number D822538
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Issue date Jul 10, 2018
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CHUNG CHWAN ENTERPRISE CO., LTD.
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Yu-Pau Lin
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D11 - Jewelry, symbolic insignia, and ornaments
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Zipper head
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Patent number D780622
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Issue date Mar 7, 2017
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CHUNG CHWAN ENTERPRISE CO., LTD.
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Yu-Pau Lin
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D11 - Jewelry, symbolic insignia, and ornaments
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Zipper head
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Patent number D579379
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Issue date Oct 28, 2008
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Chung Chwan Enterprise Co., Ltd.
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Yu-Pau Lin
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D11 - Jewelry, symbolic insignia, and ornaments
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Slide
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Patent number D556087
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Issue date Nov 27, 2007
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Chung Chwan Enterprise Co., Ltd.
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Yu-Pau Lin
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D11 - Jewelry, symbolic insignia, and ornaments
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Slide
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Patent number D555538
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Issue date Nov 20, 2007
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Chung Chwan Enterprise Co., Ltd.
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Yu-Pau Lin
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D11 - Jewelry, symbolic insignia, and ornaments