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Philip K. Hoffman

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  • Wilmington, VT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Universal battery charger
    • Patent number 5,270,635
    • Issue date Dec 14, 1993
    • Solid State Chargers, Inc.
    • Philip K. Hoffman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Universal high current battery charger
    • Patent number 5,266,881
    • Issue date Nov 30, 1993
    • Solid State Chargers Research and Development Limited
    • Philip K. Hoffman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Universal battery charger
    • Patent number 5,113,127
    • Issue date May 12, 1992
    • Solid State Chargers, Inc.
    • Philip K. Hoffman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents