TREA

Stephen McCOWIN

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  • Leesburg, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound barrier wall
    • Patent number 8,307,950
    • Issue date Nov 13, 2012
    • Concrete Innovation Services
    • Stephen McCowin
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Sound barrier wall
    • Patent number 8,276,711
    • Issue date Oct 2, 2012
    • Concrete Innovation Services
    • Stephen McCowin
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Sound barrier wall
    • Patent number 8,230,970
    • Issue date Jul 31, 2012
    • Concrete Innovation Services
    • Stephen McCowin
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Sound barrier panel
    • Patent number 5,678,363
    • Issue date Oct 21, 1997
    • Paul Ogorchock
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    SOUND BARRIER WALL
    • Publication number 20120267188
    • Publication date Oct 25, 2012
    • CONCRETE INNOVATION SERVICES
    • Stephen McCOWIN
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES