TREA

Li-Szu Shen

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  • Tainan City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lock cylinder
    • Patent number 9,038,427
    • Issue date May 26, 2015
    • Li-Szu Shen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    LOCK CYLINDER HAVING ENHANCED BURGLARPROOF EFFECT
    • Publication number 20140352374
    • Publication date Dec 4, 2014
    • Li Szu SHEN
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Lock Cylinder
    • Publication number 20140298871
    • Publication date Oct 9, 2014
    • Li-Szu Shen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES