Roger Wiggerman

Person

  • McHenry, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Developer roller for electrostatic copier

    • Patent number 4,003,334
    • Issue date Jan 18, 1977
    • Speed-O-Print Business Machines Corporation
    • Abe Samuels
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY