Roger A. Hopkins

Person

  • Herrin, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary printer

    • Patent number 4,040,350
    • Issue date Aug 9, 1977
    • Diagraph-Bradley Industries, Inc.
    • Roger A. Hopkins
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS