William E. Roberts

Person

  • Palos Verdes Penn., CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Lens system for microfiche duplicators

    • Patent number 4,367,518
    • Issue date Jan 4, 1983
    • AM International, Inc.
    • William E. Roberts
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Microfiche duplicator

    • Patent number 4,169,675
    • Issue date Oct 2, 1979
    • AM International, Inc.
    • William E. Roberts
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Exposure station

    • Patent number 4,157,870
    • Issue date Jun 12, 1979
    • AM International, Inc.
    • William E. Roberts
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method and apparatus for developing microfilm

    • Patent number 4,141,640
    • Issue date Feb 27, 1979
    • Addressograph-Multigraph Corporation
    • William E. Roberts
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Microfiche developer

    • Patent number 4,122,475
    • Issue date Oct 24, 1978
    • Addressograph-Multigraph Corporation
    • William E. Roberts
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Contact printer holder

    • Patent number 4,106,871
    • Issue date Aug 15, 1978
    • Addressograph-Multigraph Corporation
    • William E. Roberts
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY