TREA

John C. Bartley

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  • Canton, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grating system forvehicular and pedestrian traffic
    • Patent number 8,122,674
    • Issue date Feb 28, 2012
    • Ohio Gratings, Inc.
    • John C. Bartley
    • E04 - BUILDING
  • Information Patent Grant

    Grating system
    • Patent number 7,393,153
    • Issue date Jul 1, 2008
    • Ohio Gratings, Inc.
    • Darryle D. Woodson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Grating system
    • Patent number 7,121,759
    • Issue date Oct 17, 2006
    • Ohio Gratings, Inc.
    • Darryle D. Woodson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    GRATING SYSTEM FORVEHICULAR AND PEDESTRIAN TRAFFIC
    • Publication number 20100281813
    • Publication date Nov 11, 2010
    • John C. Bartley
    • E04 - BUILDING
  • Information Patent Application

    Grating system
    • Publication number 20060251474
    • Publication date Nov 9, 2006
    • OHIO GRATINGS, INC.
    • Darryle D. Woodson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Grating system
    • Publication number 20060078377
    • Publication date Apr 13, 2006
    • Darryle D. Woodson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES