with pen-wiping means

Industry

  • CPC
  • B43L25/12
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Patents Grantslast 30 patents

  • Information Patent Grant

    3915578

    • Patent number 3,915,578
    • Issue date Oct 28, 1975
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3829224

    • Patent number 3,829,224
    • Issue date Aug 13, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2497709

    • Patent number 2,497,709
    • Issue date Feb 14, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    791309

    • Patent number 791,309
    • Issue date May 30, 1905
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    490225

    • Patent number 490,225
    • Issue date Jan 17, 1893
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES