TREA

Bizhu Zhang

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety syringe
    • Patent number 6,530,903
    • Issue date Mar 11, 2003
    • Xiping Wang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    Safety syringe
    • Publication number 20010021821
    • Publication date Sep 13, 2001
    • Xiping Wang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE