TREA

Douglas B. Hauff

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  • Otis Orchard, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cleaning apparatus for dispensing a heated cleaning fluid
    • Patent number 7,171,721
    • Issue date Feb 6, 2007
    • Palouse Holdings, LLC
    • Douglas Hauff
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Three tank carpet spotter
    • Patent number 6,481,048
    • Issue date Nov 19, 2002
    • Palouse Holdings LLC
    • Douglas B. Hauff
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Cleaning apparatus
    • Publication number 20050055793
    • Publication date Mar 17, 2005
    • Douglas Hauff
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...