TREA

Ian T. Ritchie

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  • Los Angeles, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tranparent conductive coatings
    • Patent number 4,977,013
    • Issue date Dec 11, 1990
    • Andus Corporation
    • Ian T. Ritchie
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stable high resistance transparent coating
    • Patent number 4,948,529
    • Issue date Aug 14, 1990
    • Andus Corporation
    • Ian T. Ritchie
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Stable high resistance transparent coating
    • Patent number 4,710,441
    • Issue date Dec 1, 1987
    • Andus Corp.
    • Ian T. Ritchie
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical recording coating
    • Patent number 4,640,860
    • Issue date Feb 3, 1987
    • Andus Corp.
    • Ian T. Ritchie
    • G11 - INFORMATION STORAGE