William B. Bergfeld, III

Person

  • Beatrice, NE, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable self-locking wrench

    • Patent number 6,848,342
    • Issue date Feb 1, 2005
    • Irwin Industrial Tool Company
    • William B. Bergfeld, III
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS