John D. Curhan

Person

  • Newtonville, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Basing cement containing silicon ether

    • Patent number 4,990,553
    • Issue date Feb 5, 1991
    • GTE Products Corporation
    • John D. Curhan
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES