TREA

Kenneth A. Summer

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  • Columbia, SC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Steam sterilization indicator
    • Patent number RE36062
    • Issue date Jan 26, 1999
    • Propper Manufacturing Co., Inc.
    • Irving A. Speelman
    • 374 - Thermal measuring and testing
  • Information Patent Grant

    Steam sterilization monitor
    • Patent number D347585
    • Issue date Jun 7, 1994
    • Propper Manufacturing Co., Inc.
    • Frank E. Platko
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Steam sterilization indicator
    • Patent number 5,158,363
    • Issue date Oct 27, 1992
    • Propper Manufacturing Company, Inc.
    • Irving A. Speelman
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE