TREA

William F. Allen

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  • Wayzata, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collection system for a floor polishing machine
    • Patent number 5,974,626
    • Issue date Nov 2, 1999
    • Nilfisk-Advance, Inc.
    • David Wood
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Automatic floor scrubber
    • Patent number 5,369,838
    • Issue date Dec 6, 1994
    • Advance Machine Company
    • David W. Wood
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...