TREA

drawing copying devices using a transparency

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Industry

  • CPC
  • B43L5/007
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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 B43L5/00Drawing boards

Current Industry

B43L5/007drawing copying devices using a transparency
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-sensory education device
    • Patent number 8,529,271
    • Issue date Sep 10, 2013
    • Catherine Janelle Savatovich
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Write-on wipe-off book holder
    • Patent number 7,255,566
    • Issue date Aug 14, 2007
    • Barbara Ann Galbraith Coates
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Portable light box
    • Patent number 6,981,778
    • Issue date Jan 3, 2006
    • Artograph, Inc.
    • Donald D. Dow
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Teaching aids
    • Patent number 6,866,516
    • Issue date Mar 15, 2005
    • Rubbermaid Incorporated
    • Aaron W. Smith
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Light table
    • Patent number 4,654,762
    • Issue date Mar 31, 1987
    • Wizer Equipment, Inc.
    • William J. Laverick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Selective color illumination device for electronic drafting tables
    • Patent number 4,490,777
    • Issue date Dec 25, 1984
    • Stephen E. Tanner
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drafting and drawing table
    • Patent number 4,450,774
    • Issue date May 29, 1984
    • Johnny L. Weaver
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Optical transformation drawing apparatus
    • Patent number 3,950,085
    • Issue date Apr 13, 1976
    • Krones-Transyscop GmbH
    • Gerhard Grimm
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3163939
    • Patent number 3,163,939
    • Issue date Jan 5, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2701838
    • Patent number 2,701,838
    • Issue date Feb 8, 1955
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2641082
    • Patent number 2,641,082
    • Issue date Jun 9, 1953
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2510124
    • Patent number 2,510,124
    • Issue date Jun 6, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2351031
    • Patent number 2,351,031
    • Issue date Jun 13, 1944
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2350340
    • Patent number 2,350,340
    • Issue date Jun 6, 1944
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2215462
    • Patent number 2,215,462
    • Issue date Sep 24, 1940
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1887288
    • Patent number 1,887,288
    • Issue date Nov 8, 1932
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1756289
    • Patent number 1,756,289
    • Issue date Apr 29, 1930
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1731088
    • Patent number 1,731,088
    • Issue date Oct 8, 1929
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Slope Adjustable Illuminated Art and Drafting Table
    • Publication number 20180289148
    • Publication date Oct 11, 2018
    • Studio Designs Inc.
    • Scott Maynes
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MULTI-SENSORY EDUCATION DEVICE
    • Publication number 20130157247
    • Publication date Jun 20, 2013
    • Catherine Janelle Savatovich
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MULTI-SENSORY EDUCATION DEVICE
    • Publication number 20100143875
    • Publication date Jun 10, 2010
    • Catherine Janelle Savatovich
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Portable light box
    • Publication number 20050157505
    • Publication date Jul 21, 2005
    • Donald D. Dow
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Write-on Wipe-off book holder
    • Publication number 20050136390
    • Publication date Jun 23, 2005
    • Barbara Ann Galbraith Coates
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Write-on wipe-off book cover
    • Publication number 20050136389
    • Publication date Jun 23, 2005
    • Barbara A. Galbraith Coates
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Teaching aids
    • Publication number 20040234939
    • Publication date Nov 25, 2004
    • Aaron W. Smith
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES