TREA

John E. McGreevy

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  • McLean, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Continuous air monitoring system
    • Patent number 5,235,190
    • Issue date Aug 10, 1993
    • Gemini Research, Inc.
    • Richard W. Tucker
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Radon detection system
    • Patent number 4,920,263
    • Issue date Apr 24, 1990
    • Gemini Research, Inc.
    • Keith S. Fimian
    • G01 - MEASURING TESTING