TREA

William R. Daws

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water filter housing
    • Patent number D470912
    • Issue date Feb 25, 2003
    • Quality Products, Inc.
    • William R. Daws
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Air filter housing
    • Patent number D467653
    • Issue date Dec 24, 2002
    • Robin Scott
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water filter housing
    • Patent number D417254
    • Issue date Nov 30, 1999
    • Quality Products, Inc.
    • William R. Daws
    • D23 - Environmental heating and cooling