TREA

Jianwen Yang

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  • Nanjing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Torsion-adjustable impact wrench
    • Patent number 9,592,593
    • Issue date Mar 14, 2017
    • Chervon (HK) Limited
    • Liang Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    TORSION-ADJUSTABLE IMPACT WRENCH
    • Publication number 20130228353
    • Publication date Sep 5, 2013
    • CHERVON (HK) LIMITED
    • Liang Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS