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James A. Caldwell

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  • Sachse, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual-arch roof tile
    • Patent number 9,416,540
    • Issue date Aug 16, 2016
    • Tapco International Corporation
    • Clyde G. Allen
    • E04 - BUILDING

Patents Applicationslast 30 patents

  • Information Patent Application

    DUAL-ARCH ROOF TILE
    • Publication number 20150143767
    • Publication date May 28, 2015
    • Tapco International Corporation
    • Clyde G. Allen
    • E04 - BUILDING