Kenneth Arthur Ridley

Person

  • Ilford, EN

Patents Grantslast 30 patents

  • Information Patent Grant

    Curtain coating method

    • Patent number 4,019,906
    • Issue date Apr 26, 1977
    • Ciba-Geigy AG
    • Kenneth Arthur Ridley
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY