TREA

Philip C. Dretzka

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  • Minneapolis, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrotransport drug delivery system
    • Patent number D372098
    • Issue date Jul 23, 1996
    • ALZA Corporation
    • Gary A. Lattin
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Tape dispenser
    • Patent number 5,468,332
    • Issue date Nov 21, 1995
    • Minnesota Mining and Manufacturing Company
    • Philip C. Dretzka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Interlocking module system
    • Patent number 5,431,509
    • Issue date Jul 11, 1995
    • Minnesota Mining and Manufacturing Company
    • Jerald W. Anderson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE