William W. Stevenson

Person

  • Lake Elmo, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Toy motor with partial coil rotor

    • Patent number 5,621,258
    • Issue date Apr 15, 1997
    • William W. Stevenson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER