Frederick W. Hall

Person

  • Ossipee, NH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Non-contact double-block speed controller

    • Patent number 5,505,067
    • Issue date Apr 9, 1996
    • Waddington Electronics, Inc.
    • Kenneth J. Thomas
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...