TREA

Dividers

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Industry

  • CPC
  • B43L9/12
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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 B43L9/00Circular curve-drawing or like instruments

Current Industry

B43L9/12Dividers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Proportional divider
    • Patent number 5,154,004
    • Issue date Oct 13, 1992
    • James Q. Allen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    School utensil and toy robot
    • Patent number 4,561,184
    • Issue date Dec 31, 1985
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Takashi Fujitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2968098
    • Patent number 2,968,098
    • Issue date Jan 17, 1961
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2510805
    • Patent number 2,510,805
    • Issue date Jun 6, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2501098
    • Patent number 2,501,098
    • Issue date Mar 21, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1696832
    • Patent number 1,696,832
    • Issue date Dec 25, 1928
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1651830
    • Patent number 1,651,830
    • Issue date Dec 6, 1927
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1573057
    • Patent number 1,573,057
    • Issue date Feb 16, 1926
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1547480
    • Patent number 1,547,480
    • Issue date Jul 28, 1925
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1488366
    • Patent number 1,488,366
    • Issue date Mar 25, 1924
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1398871
    • Patent number 1,398,871
    • Issue date Nov 29, 1921
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    288770
    • Patent number 288,770
    • Issue date Nov 20, 1883
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents