TREA

Martin A. Schaefer

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  • St. Petersburg, FL, US
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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
  • Information Patent Grant

    Wide bandwidth high voltage regulator and modulator
    • Patent number 4,400,660
    • Issue date Aug 23, 1983
    • Sperry Corporation
    • Martin A. Schaefer
    • G05 - CONTROLLING REGULATING