Paul E. McMahan

Person

  • Walker, LA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Ferrofluidic seal centering ring

    • Patent number 5,593,164
    • Issue date Jan 14, 1997
    • Ferrofluidics Corporation
    • William B. Mraz
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS