TREA

David L. Hall

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  • Pontiac, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Detector cover
    • Patent number D670187
    • Issue date Nov 6, 2012
    • Air Products and Controls Inc.
    • David L. Hall
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Detector cowling
    • Patent number D645372
    • Issue date Sep 20, 2011
    • Air Products and Controls Inc.
    • David L. Hall
    • D10 - Measuring, testing, or signalling instruments