TREA

William J. Spangler Jr.

Follow

Person

  • Belair, MD, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Removable chuck
    • Patent number 6,047,971
    • Issue date Apr 11, 2000
    • Black & Decker Inc.
    • William G. Harman
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Removable chuck
    • Patent number 5,951,026
    • Issue date Sep 14, 1999
    • Black & Decker Inc.
    • William G. Harman
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR