TREA

LI-SU CHEN

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  • Taichung City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Riveting tool
    • Patent number 9,527,129
    • Issue date Dec 27, 2016
    • Li-Su Chen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    TIP REPLACEMENT STRUCTURE FOR RIVETER
    • Publication number 20170008070
    • Publication date Jan 12, 2017
    • WE TOOLS CO.,LTD
    • LI-SU CHEN
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    RIVETING TOOL
    • Publication number 20160082500
    • Publication date Mar 24, 2016
    • LI-SU CHEN
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Pneumatic wrench
    • Publication number 20070095409
    • Publication date May 3, 2007
    • Li-Hsueh Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS