TREA

Gregory Feather

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  • Morgantown, WV, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air-sampling device and method of use
    • Patent number 8,205,511
    • Issue date Jun 26, 2012
    • The United States of America as represented by the Secretary of the Departmen...
    • Teh-Hsun B. Chen
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Air-sampling device and method of use
    • Patent number 7,370,543
    • Issue date May 13, 2008
    • The United States of America as represented by the Department of Health and H...
    • Teh-Hsun B. Chen
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents