David Ralph Cockram

Person

  • Wigan, EN

Patents Grantslast 30 patents

  • Information Patent Grant

    Coating compositions for glass fibres

    • Patent number 3,954,490
    • Issue date May 4, 1976
    • Pilkington Brothers Limited
    • David Ralph Cockram
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES