Funnel-shaped reservoirs

Industry

  • CPC
  • B43K1/015
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nib for a calligraphic dip pen

    • Patent number 10,414,200
    • Issue date Sep 17, 2019
    • Alan Jay Ariail
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3655291

    • Patent number 3,655,291
    • Issue date Apr 11, 1972
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2915041

    • Patent number 2,915,041
    • Issue date Dec 1, 1959
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2878783

    • Patent number 2,878,783
    • Issue date Mar 24, 1959
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1358215

    • Patent number 1,358,215
    • Issue date Nov 9, 1920
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Writing Tool

    • Publication number 20190084340
    • Publication date Mar 21, 2019
    • SDI Corporation
    • Szu-Yu CHEN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES