William L. Blackford

Person

  • Peoria, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Piston vibrator

    • Patent number 4,693,732
    • Issue date Sep 15, 1987
    • Martin Engineering Company
    • William L. Blackford
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS