Distributors for leads, cartridges and the like

Patents Grantslast 30 patents

  • Information Patent Grant

    Lead cartridge and mechanical pencil with built-in lead cartridge

    • Patent number 8,444,336
    • Issue date May 21, 2013
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Advancing pen having individually capped cartridges

    • Patent number 7,731,439
    • Issue date Jun 8, 2010
    • Harry San Miguel
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Advancing pen having individually capped cartridge

    • Patent number 7,226,228
    • Issue date Jun 5, 2007
    • Harry San Miguel
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Container for lead refill

    • Patent number 6,179,124
    • Issue date Jan 30, 2001
    • Pentel K.K.
    • Shigeo Oka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead dispensing storage container

    • Patent number 5,788,118
    • Issue date Aug 4, 1998
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead dispensing storage container

    • Patent number 5,720,643
    • Issue date Feb 24, 1998
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Crayon organizer

    • Patent number 5,590,811
    • Issue date Jan 7, 1997
    • David Hill
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Chalk dispenser

    • Patent number 5,520,309
    • Issue date May 28, 1996
    • Alfred C. Roth
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead dispensing storage container

    • Patent number 5,480,249
    • Issue date Jan 2, 1996
    • Kotobuki & Co., Ltd.
    • Shuhei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Stick-shaped object dispenser

    • Patent number 5,388,722
    • Issue date Feb 14, 1995
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Combined chalk and eraser dispenser

    • Patent number 5,351,840
    • Issue date Oct 4, 1994
    • University of Pennsylvania
    • Louis A. Visco
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Automatic lead feed apparatus in an automatic drafting apparatus

    • Patent number 5,285,218
    • Issue date Feb 8, 1994
    • Mutoh Industries, Ltd.
    • Kuniaki Tanaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Automatic lead feeding apparatus of automatic drafting machine

    • Patent number 5,179,393
    • Issue date Jan 12, 1993
    • Mutoh Industries Ltd.
    • Isamu Takahashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead cartridge with an openable capping structure

    • Patent number 4,998,837
    • Issue date Mar 12, 1991
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead automatic supply device for X-Y plotter

    • Patent number 4,991,300
    • Issue date Feb 12, 1991
    • Mutoh Industries Ltd.
    • Isamu Takahashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead refill cartridge for mechanical pencil

    • Patent number 4,984,288
    • Issue date Jan 8, 1991
    • Tor H. Petterson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Case for storing spare leads

    • Patent number 4,811,842
    • Issue date Mar 14, 1989
    • Chitose Kagaku Kogyo Co., Ltd.
    • Takashi Sekiya
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil equipped with lead-storing cartridge

    • Patent number 4,619,539
    • Issue date Oct 28, 1986
    • Kotobuki & Co, Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Knock-type propelling pencil with storage cartridge

    • Patent number 4,583,874
    • Issue date Apr 22, 1986
    • Kabushikikaisha Kotobuki
    • Toshihiko Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement and kit

    • Patent number 4,515,492
    • Issue date May 7, 1985
    • Chen J. Shan
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Dispenser for pens, pencils and other elongated objects

    • Patent number 4,238,051
    • Issue date Dec 9, 1980
    • Quick Point, Inc.
    • Alan E. Sherman
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3794214

    • Patent number 3,794,214
    • Issue date Feb 26, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2752065

    • Patent number 2,752,065
    • Issue date Jun 26, 1956
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1678642

    • Patent number 1,678,642
    • Issue date Jul 31, 1928
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1676250

    • Patent number 1,676,250
    • Issue date Jul 10, 1928
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents