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Johnson He

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  • Hangzhou City, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    POSITIONING DEVICE FOR DRILLING TOOLS OF VARIOUS SIZES
    • Publication number 20170246696
    • Publication date Aug 31, 2017
    • Hangzhou Xiaoshan Johnson Tools Co., Ltd.
    • Johnson HE
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Annular Sawing Structure
    • Publication number 20110033256
    • Publication date Feb 10, 2011
    • Johnson He
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR