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Changwei YE

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  • Fujian, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 10,794,089
    • Issue date Oct 6, 2020
    • Chaoyi Fu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20190277063
    • Publication date Sep 12, 2019
    • Quanzhou Guoguang Software Development Co., Ltd.
    • Chaoyi FU
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES