TREA

with rollers

Follow

Industry

  • CPC
  • B43L7/04
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING B43L7/00Straightedges

Current Industry

B43L7/04with rollers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Marking device holder
    • Patent number 11,298,969
    • Issue date Apr 12, 2022
    • Howard Frederick
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rolling ruler
    • Patent number 8,516,708
    • Issue date Aug 27, 2013
    • Michael Rogler Kildevaeld
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Rolling T-square drywall cutter
    • Patent number 7,481,001
    • Issue date Jan 27, 2009
    • Gary P. Rao
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Tracing tool
    • Patent number 5,862,601
    • Issue date Jan 26, 1999
    • James L. O'Brien
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mini-drafting machine
    • Patent number 5,628,118
    • Issue date May 13, 1997
    • Teodorico M. Rivera
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Rolling ruler
    • Patent number 5,479,719
    • Issue date Jan 2, 1996
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Rolling rule
    • Patent number 5,433,012
    • Issue date Jul 18, 1995
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multi-purpose drawing ruler
    • Patent number 5,193,284
    • Issue date Mar 16, 1993
    • Chin-Hsiu Lin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multi-functional ruler
    • Patent number 5,174,036
    • Issue date Dec 29, 1992
    • Chin-hsiu Lin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drawing instrument
    • Patent number 5,172,482
    • Issue date Dec 22, 1992
    • Align Incorporated
    • Cynthia E. Coleman
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drafting device
    • Patent number 5,131,157
    • Issue date Jul 21, 1992
    • Peter S. Hoagland
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Rolling ruler having a retractable and rotatable pivot pin
    • Patent number 5,050,309
    • Issue date Sep 24, 1991
    • Wei Wang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Guiding device for a computer mouse
    • Patent number 4,944,095
    • Issue date Jul 31, 1990
    • James Anglehart
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Draughting tables, drawing boards, drawing instruments and analogou...
    • Patent number 4,934,061
    • Issue date Jun 19, 1990
    • Jonathan Knight
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Parallel rule
    • Patent number 4,914,824
    • Issue date Apr 10, 1990
    • Otis M. Lee
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Trace cutter for roll material
    • Patent number 4,858,807
    • Issue date Aug 22, 1989
    • Sava Cvek
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drafting device
    • Patent number 4,823,475
    • Issue date Apr 25, 1989
    • Poul E. Hoegh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Perspective drawing apparatus
    • Patent number 4,586,265
    • Issue date May 6, 1986
    • William G. Hopkins
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Perspective drafting instrument
    • Patent number 4,565,016
    • Issue date Jan 21, 1986
    • Ronald T. Horbinski
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3835542
    • Patent number 3,835,542
    • Issue date Sep 17, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3747217
    • Patent number 3,747,217
    • Issue date Jul 24, 1973
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3482318
    • Patent number 3,482,318
    • Issue date Dec 9, 1969
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3462846
    • Patent number 3,462,846
    • Issue date Aug 26, 1969
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3266157
    • Patent number 3,266,157
    • Issue date Aug 16, 1966
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3225445
    • Patent number 3,225,445
    • Issue date Dec 28, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3216115
    • Patent number 3,216,115
    • Issue date Nov 9, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3195235
    • Patent number 3,195,235
    • Issue date Jul 20, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3165839
    • Patent number 3,165,839
    • Issue date Jan 19, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2893127
    • Patent number 2,893,127
    • Issue date Jul 7, 1959
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2800720
    • Patent number 2,800,720
    • Issue date Jul 30, 1957
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents