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Christopher J. ROKKE

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  • Saginaw, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mineral fiber roof cover boards
    • Patent number 11,111,174
    • Issue date Sep 7, 2021
    • United States Gypsum Company
    • Wei Xu
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

  • Information Patent Application

    MINERAL FIBER ROOF COVER BOARDS
    • Publication number 20190077700
    • Publication date Mar 14, 2019
    • United States Gypsum Company
    • Wei XU
    • C03 - GLASS MINERAL OR SLAG WOOL