TREA

John Barford

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  • Oakville, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gutter welding device
    • Patent number 7,493,686
    • Issue date Feb 24, 2009
    • GSW Building Products Inc
    • John Barford
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Gutter welding device
    • Publication number 20050226686
    • Publication date Oct 13, 2005
    • John Barford
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR