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Weiying Chen

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  • Ningbo, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus having a slidable cap
    • Patent number 8,444,339
    • Issue date May 21, 2013
    • Beifa Group Co., Ltd.
    • Feng Zhao
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument having a slidable cap
    • Patent number 8,128,302
    • Issue date Mar 6, 2012
    • Beifa Group Co., Ltd.
    • Feng Zhao
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen
    • Patent number D647960
    • Issue date Nov 1, 2011
    • Beifa Group Co., Ltd.
    • Weiying Chen
    • D19 - Office supplies

Patents Applicationslast 30 patents

  • Information Patent Application

    APPARATUS HAVING A SLIDABLE CAP
    • Publication number 20120163896
    • Publication date Jun 28, 2012
    • BEIFA GROUP CO., LTD.
    • Feng Zhao
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT HAVING A SLIDABLE CAP
    • Publication number 20100067971
    • Publication date Mar 18, 2010
    • BEIFA GROUP CO., LTD.
    • Feng Zhao
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES