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Qingting Zhang

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  • Tianjin, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    LED balloons
    • Patent number 9,199,180
    • Issue date Dec 1, 2015
    • Party Dragon, Ltd.
    • Yu Chen
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    LED BALLOONS
    • Publication number 20150009656
    • Publication date Jan 8, 2015
    • Yu Chen
    • F21 - LIGHTING