Robert Graham

Person

  • Chester-le-Street, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Manufacture of insulation products

    • Patent number 4,149,928
    • Issue date Apr 17, 1979
    • Newalls Insulation Company Ltd.
    • Robert Graham
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL