TREA

Mao-Chih Liao

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  • Kaohsiung City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making a spanner
    • Patent number 9,463,503
    • Issue date Oct 11, 2016
    • Ming-Chang Chen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Method of Making a Spanner
    • Publication number 20160158827
    • Publication date Jun 9, 2016
    • Ming-Chang Chen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...