TREA

William R. Nelson

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  • La Conner, WA, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    Apparatus for treating a liquid with a gas
    • Publication number 20090321370
    • Publication date Dec 31, 2009
    • William R. Nelson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LIQUID WASTE AERATION SYSTEM AND METHOD
    • Publication number 20090206497
    • Publication date Aug 20, 2009
    • William R. Nelson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL