TREA

Zhichuan Qian

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  • Zhejiang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number D753113
    • Issue date Apr 5, 2016
    • USENS, INC.
    • Yue Fei
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headset
    • Patent number D753111
    • Issue date Apr 5, 2016
    • USENS, INC.
    • Yue Fei
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headset
    • Patent number D753112
    • Issue date Apr 5, 2016
    • USENS, INC.
    • Yue Fei
    • D14 - Recording, communication, or information retrieval equipment