William Leslie Kopko

Person

  • Springfield, VA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Variable-speed drive for single-phase motors

    • Patent number 6,121,749
    • Issue date Sep 19, 2000
    • Work Smart Energy Enterprises, Inc.
    • Frank E. Wills
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER