TREA

William J. Ellis

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  • Spring Park, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reusable fluid filter and adapter
    • Patent number 5,830,371
    • Issue date Nov 3, 1998
    • Gerald F. Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Reusable fluid filter and adapter
    • Patent number 5,569,373
    • Issue date Oct 29, 1996
    • Gerald F. Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL