TREA

Kui Hang Wong

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  • Hong Kong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lighting device
    • Patent number 7,559,663
    • Issue date Jul 14, 2009
    • Wai Kai Wong
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Lighting Device
    • Publication number 20080186698
    • Publication date Aug 7, 2008
    • Wai Kai Wong
    • F21 - LIGHTING