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Paul R. Hoffman

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  • Exton, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Floppy disc drive
    • Patent number 4,359,763
    • Issue date Nov 16, 1982
    • Exxon Research and Engineering Co.
    • Paul R. Hoffman
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Floppy disc drive
    • Patent number 4,275,426
    • Issue date Jun 23, 1981
    • Exxon Research and Engineering Co.
    • Paul R. Hoffman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER