TREA

Feng Fan

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Underwater vehicle
    • Patent number D860331
    • Issue date Sep 17, 2019
    • Weifeng Zheng
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Unmanned underwater vehicle
    • Patent number D830943
    • Issue date Oct 16, 2018
    • POWERVISION TECH INC.
    • Weifeng Zheng
    • D12 - Transportation