David J. Sawayda

Person

  • Clearwater, FL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Missing phase detector

    • Patent number 4,542,433
    • Issue date Sep 17, 1985
    • Sperry Corporation
    • Martin A. Schaefer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER