TREA

with pen-wiping means

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Industry

  • CPC
  • B43L25/12
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING B43L25/00Ink receptacles

Current Industry

B43L25/12with pen-wiping means
Industries

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

Patents Applicationslast 30 patents