with arrangements for attaching additional drawing equipment

Patents Grantslast 30 patents

  • Information Patent Grant

    Straightedge with holder for writing implement

    • Patent number 12,115,811
    • Issue date Oct 15, 2024
    • KING FAISAL UNIVERSITY
    • Fahad Ahmed M Alnaim
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fractal-based mandala drawing toolset

    • Patent number 11,787,224
    • Issue date Oct 17, 2023
    • Yaaqov Israel Ben-David
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drafting tool

    • Patent number 7,490,412
    • Issue date Feb 17, 2009
    • Jennifer L. Gupta
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multipurpose drawing tool

    • Patent number 7,383,635
    • Issue date Jun 10, 2008
    • Learning Resources, Inc.
    • J. Bruce Stoneberg
    • 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

    Speed layout stick

    • Patent number 5,509,207
    • Issue date Apr 23, 1996
    • Dale N. Harms
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Attachment for T-square for use with writing implement

    • Patent number 5,430,947
    • Issue date Jul 11, 1995
    • Robert M. Courtney
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Template guide

    • Patent number 4,388,764
    • Issue date Jun 21, 1983
    • Glenn P. Hermes
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drafting aid

    • Patent number 4,355,472
    • Issue date Oct 26, 1982
    • Richard Wedge
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Measuring apparatus

    • Patent number 4,069,560
    • Issue date Jan 24, 1978
    • Richard K. Roedel
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Measuring apparatus

    • Patent number 3,975,827
    • Issue date Aug 24, 1976
    • Richard K. Roedel
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3726017

    • Patent number 3,726,017
    • Issue date Apr 10, 1973
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3624911

    • Patent number 3,624,911
    • Issue date Dec 7, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3327360

    • Patent number 3,327,360
    • Issue date Jun 27, 1967
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3160957

    • Patent number 3,160,957
    • Issue date Dec 15, 1964
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3087250

    • Patent number 3,087,250
    • Issue date Apr 30, 1963
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2974416

    • Patent number 2,974,416
    • Issue date Mar 14, 1961
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2899861

    • Patent number 2,899,861
    • Issue date Aug 18, 1959
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2805484

    • Patent number 2,805,484
    • Issue date Sep 10, 1957
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2746157

    • Patent number 2,746,157
    • Issue date May 22, 1956
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2502039

    • Patent number 2,502,039
    • Issue date Mar 28, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2423779

    • Patent number 2,423,779
    • Issue date Jul 8, 1947
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2272146

    • Patent number 2,272,146
    • Issue date Feb 3, 1942
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1877375

    • Patent number 1,877,375
    • Issue date Sep 13, 1932
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1877341

    • Patent number 1,877,341
    • Issue date Sep 13, 1932
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1624280

    • Patent number 1,624,280
    • Issue date Apr 12, 1927
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1396806

    • Patent number 1,396,806
    • Issue date Nov 15, 1921
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    A FRACTAL-BASED MANDALA DRAWING TOOLSET

    • Publication number 20220219484
    • Publication date Jul 14, 2022
    • Yaaqov Israel BEN-DAVID
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Rafter Angle Square With Scribe Guide Notches

    • Publication number 20130227846
    • Publication date Sep 5, 2013
    • Johnson Level & Tool Mfg. Co., Inc.
    • Paul H. Buzzell
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES