TREA

Wayne A. Nelson

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  • Maynard, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Smoke/fire detector
    • Patent number 5,808,556
    • Issue date Sep 15, 1998
    • Simplex Time Recorder Company
    • Wayne A. Nelson
    • G08 - SIGNALLING
  • Information Patent Grant

    Smoke detector housing for improved smoke collection
    • Patent number 5,751,218
    • Issue date May 12, 1998
    • Simplex Time Recorder Company
    • Charles Winterble
    • G08 - SIGNALLING
  • Information Patent Grant

    Smoke detector
    • Patent number D392573
    • Issue date Mar 24, 1998
    • Simplex Time Recorder Company
    • Timothy C. Repp
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Smoke/fire detector
    • Patent number 5,710,541
    • Issue date Jan 20, 1998
    • Simplex Time Recorder Co.
    • Lawrence G. Stanley
    • G08 - SIGNALLING
  • Information Patent Grant

    Smoke detector
    • Patent number D388351
    • Issue date Dec 30, 1997
    • Simplex Time Recorder Company
    • Timothy C. Repp
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Smoke detector
    • Patent number D388352
    • Issue date Dec 30, 1997
    • Simplex Time Recorder Company
    • Timothy C. Repp
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Grille for a smoke detector
    • Patent number D383407
    • Issue date Sep 9, 1997
    • Simplex Time Recorder Company
    • Timothy C. Repp
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Heat detector
    • Patent number D377460
    • Issue date Jan 21, 1997
    • Simplex Time Recorder Company
    • Wayne Nelson
    • D10 - Measuring, testing, or signalling instruments