John Dutton

Person

  • Conwy, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making a product

    • Patent number 6,387,319
    • Issue date May 14, 2002
    • Digive Limited of York House
    • John Dutton
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES