TREA

Gurumurthi Ravishankar

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  • Englewood, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Systems and methods for surface decontamination
    • Patent number 9,623,138
    • Issue date Apr 18, 2017
    • Lifeloc Technologies, Inc.
    • Jennifer Godwin Pagan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Breath alcohol tester calibration station
    • Patent number 9,562,883
    • Issue date Feb 7, 2017
    • Lifeloc Technologies, Inc.
    • Barry Knott
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Calibration station
    • Patent number D730215
    • Issue date May 26, 2015
    • Lifeloc Technologies, Inc.
    • Kelly Silverman
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Calibration station
    • Patent number D692788
    • Issue date Nov 5, 2013
    • Lifeloc Technologies, Inc.
    • Kelly Silverman
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Simplified roller guide
    • Patent number 6,345,698
    • Issue date Feb 12, 2002
    • Otis Elevator Company
    • Gurumurthi Ravishankar
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Remote storage and reset of elevator overspeed switch
    • Patent number 6,186,281
    • Issue date Feb 13, 2001
    • Otis Elevator Company
    • Chris Pietrzykowski
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents