TREA

John David Hartman

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Devices and methods for body elevation
    • Patent number 8,438,675
    • Issue date May 14, 2013
    • Liftseat Corporation
    • Graham Robert Byrne Henshaw
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Devices and methods for body elevation
    • Patent number 8,056,158
    • Issue date Nov 15, 2011
    • Liftseat Corporation
    • Graham Robert Byrne Henshaw
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Toilet assembly
    • Patent number D582529
    • Issue date Dec 9, 2008
    • Liftseat Corporation
    • Graham Robert Byrne Henshaw
    • D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

  • Information Patent Application

    Devices and Methods for Body Elevation
    • Publication number 20140338119
    • Publication date Nov 20, 2014
    • LIFTSEAT CORPORATION
    • Graham Robert Byrne Henshaw
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Devices and Methods for Body Elevation
    • Publication number 20120054957
    • Publication date Mar 8, 2012
    • Graham Robert Byrne Henshaw
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Devices and Methods for Body Elevation
    • Publication number 20080038107
    • Publication date Feb 14, 2008
    • Graham Robert Byrne Henshaw
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE