TREA

Huan-Chi Hsu

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  • Taiping City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Feed dog device for a sewing machine
    • Patent number 8,402,903
    • Issue date Mar 26, 2013
    • Zeng Hsing Industrial Co., Ltd.
    • Shui-Chun Tseng
    • D05 - SEWING EMBROIDERING TUFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Feed Dog Device for a Sewing Machine
    • Publication number 20120079974
    • Publication date Apr 5, 2012
    • ZENG HSING INDUSTRIAL CO., LTD.
    • Shui-Chun Tseng
    • D05 - SEWING EMBROIDERING TUFTING