Arrangements for feeding the ink to the writing-points

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  • B43K8/18
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    PEN WITH PRESSURIZING MECHANISM TO PRESSURIZE INK REFILL

    • Publication number 20130058703
    • Publication date Mar 7, 2013
    • Hosoya TOMOHIRO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Free ink system

    • Publication number 20040170465
    • Publication date Sep 2, 2004
    • Wolfgang Witz
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Collector type writing instrument

    • Publication number 20030072600
    • Publication date Apr 17, 2003
    • Kazuhiko Furukawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Free ink system

    • Publication number 20020168215
    • Publication date Nov 14, 2002
    • Sanford North America
    • Wolfgang Witz
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES