William B. Bergfeld III

Person

  • Beatrice, NE, US

Patents Applicationslast 30 patents

  • Information Patent Application

    Adjustable self-locking wrench

    • Publication number 20040177726
    • Publication date Sep 16, 2004
    • William B. Bergfeld
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS