TREA

Wang ZHENGGUO

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retractable utility knife
    • Patent number 9,370,869
    • Issue date Jun 21, 2016
    • Meridian International Co., Ltd.
    • Zhang Hongquan
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Retractable utility knife
    • Patent number 9,174,347
    • Issue date Nov 3, 2015
    • Meridian International Co., Ltd.
    • Zhang Hongquan
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

  • Information Patent Application

    RETRACTABLE UTILITY KNIFE
    • Publication number 20160001452
    • Publication date Jan 7, 2016
    • MERIDIAN INTERNATIONAL CO., LTD.
    • Zhang HONGQUAN
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    RETRACTABLE UTILITY KNIFE
    • Publication number 20130247382
    • Publication date Sep 26, 2013
    • MERIDIAN INTERNATIONAL CO., LTD.
    • Zhang HONGQUAN
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING