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Xiaoqing Huang

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  • Hangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    LED display panel with openable front door
    • Patent number 8,021,018
    • Issue date Sep 20, 2011
    • Thinksign Optoelectronics, Inc.
    • Zhongliang Zheng
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    LED Display Panel with openable front door
    • Publication number 20110002129
    • Publication date Jan 6, 2011
    • Isign display systems LLC
    • Zhongliang Zheng
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS