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Wenfeng Li

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Occluder and method for sewing occluder
    • Patent number 11,337,684
    • Issue date May 24, 2022
    • Lifetech Scientific (Shenzhen) Co. Ltd.
    • Jie Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    Occluder and Method for Sewing Occluder
    • Publication number 20200383666
    • Publication date Dec 10, 2020
    • LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD.
    • Jie Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE