Richard A. Pethrick

Person

  • Newlands, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Polymeric materials and their use as resists

    • Patent number 4,885,344
    • Issue date Dec 5, 1989
    • National Research Development Corporation
    • Stanley Affrossman
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY