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Patents Grantslast 30 patents

  • Information Patent Grant

    LED lighting device and speaker
    • Patent number 9,848,265
    • Issue date Dec 19, 2017
    • ZHEJIANG SHENGHUI LIGHTING CO., LTD
    • Caifang Wen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    LED lighting device and speaker
    • Patent number 9,363,592
    • Issue date Jun 7, 2016
    • ZHEJIANG SHENGHUI LIGHTING CO., LTD
    • Caifang Wen
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    LED LIGHTING DEVICE AND SPEAKER
    • Publication number 20160255437
    • Publication date Sep 1, 2016
    • ZHEJIANG SHENGHUI LIGHTING CO., LTD
    • CAIFANG WEN
    • F21 - LIGHTING
  • Information Patent Application

    LED LIGHTING DEVICE AND SPEAKER
    • Publication number 20150036863
    • Publication date Feb 5, 2015
    • ZHEJIANG SHENGHUI LIGHTING CO., LTD.
    • CAIFANG WEN
    • F21 - LIGHTING