Richard J. Hughes

Person

  • Mt. Prospect, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for cleaning film

    • Patent number 4,244,078
    • Issue date Jan 13, 1981
    • Research Technology, Inc.
    • Richard J. Hughes
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY