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Qing Feng Lyu

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  • Hangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sail shade connector
    • Patent number D865488
    • Issue date Nov 5, 2019
    • Yan Jin
    • D08 - Tools and hardware
  • Information Patent Grant

    Screen mount device
    • Patent number D859421
    • Issue date Sep 10, 2019
    • A Color Tree Inc
    • Yan Jin
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Canopy assembly with fastening arrangement
    • Patent number 10,301,840
    • Issue date May 28, 2019
    • Yan Jin
    • E04 - BUILDING