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John D. King

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  • Roseville, MN, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OPEN PATH GAS DETECTOR
    • Publication number 20150355082
    • Publication date Dec 10, 2015
    • DETECTOR ELECTOR NICS CORPORATION
    • Liangju Lu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Environmental hazard sensor
    • Publication number 20080216553
    • Publication date Sep 11, 2008
    • Detector Electronics Corporation
    • Morton Lee Schlesinger
    • G01 - MEASURING TESTING
  • Information Patent Application

    Hydrogen fire detection system & method
    • Publication number 20050195086
    • Publication date Sep 8, 2005
    • Detector Electronics Corporation
    • John D. King
    • G01 - MEASURING TESTING
  • Information Patent Application

    Method and apparatus of detecting fire by flame imaging
    • Publication number 20030044042
    • Publication date Mar 6, 2003
    • Detector Electronics Corporation
    • John D. King
    • G08 - SIGNALLING