TREA

with toothed racks

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  • CPC
  • B43L13/041
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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 B43L13/00Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for

Current Industry

B43L13/041with toothed racks
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Drawing board assembly
    • Patent number 5,956,856
    • Issue date Sep 28, 1999
    • Chiang-Wen Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ruler for fixed-distance movement
    • Patent number 4,790,077
    • Issue date Dec 13, 1988
    • Sharp Kabushiki Kaisha
    • Hiroshi Tsujioka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lettering template
    • Patent number 4,679,328
    • Issue date Jul 14, 1987
    • Michael Saad
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drafting machine
    • Patent number 4,559,715
    • Issue date Dec 24, 1985
    • Walter Weglin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drafting machine
    • Patent number 4,438,569
    • Issue date Mar 27, 1984
    • Gillespie; Robert J.
    • Walter Weglin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3714714
    • Patent number 3,714,714
    • Issue date Feb 6, 1973
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3386191
    • Patent number 3,386,191
    • Issue date Jun 4, 1968
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3193943
    • Patent number 3,193,943
    • Issue date Jul 13, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3106783
    • Patent number 3,106,783
    • Issue date Oct 15, 1963
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3067517
    • Patent number 3,067,517
    • Issue date Dec 11, 1962
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2901832
    • Patent number 2,901,832
    • Issue date Sep 1, 1959
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2861343
    • Patent number 2,861,343
    • Issue date Nov 25, 1958
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2825139
    • Patent number 2,825,139
    • Issue date Mar 4, 1958
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2804691
    • Patent number 2,804,691
    • Issue date Sep 3, 1957
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2701918
    • Patent number 2,701,918
    • Issue date Feb 15, 1955
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2577159
    • Patent number 2,577,159
    • Issue date Dec 4, 1951
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2568358
    • Patent number 2,568,358
    • Issue date Sep 18, 1951
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2515954
    • Patent number 2,515,954
    • Issue date Jul 18, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2225903
    • Patent number 2,225,903
    • Issue date Dec 24, 1940
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1787362
    • Patent number 1,787,362
    • Issue date Dec 30, 1930
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1511626
    • Patent number 1,511,626
    • Issue date Oct 14, 1924
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1464973
    • Patent number 1,464,973
    • Issue date Aug 14, 1923
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents