TREA

Chris Haller

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  • St. Louis, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ceramic proppants
    • Patent number 8,722,590
    • Issue date May 13, 2014
    • Shamrock Group
    • Frank O'Brien
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    CERAMIC PROPPANTS
    • Publication number 20130255945
    • Publication date Oct 3, 2013
    • Frank O'Brien
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...