TREA

Wenjie Dai

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  • Shatin New Territories, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spectacles
    • Patent number 8,465,149
    • Issue date Jun 18, 2013
    • Yu Siu
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Spectacles
    • Publication number 20140333887
    • Publication date Nov 13, 2014
    • Yu Siu
    • G02 - OPTICS
  • Information Patent Application

    Spectacles
    • Publication number 20110013134
    • Publication date Jan 20, 2011
    • Yu Siu
    • G02 - OPTICS