TREA

Warren L. Larson

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  • Maple Grove, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cleaning head for use in a floor cleaning machine
    • Patent number 7,665,174
    • Issue date Feb 23, 2010
    • Tennant Company
    • Michael T. Basham
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor sweeping and scrubbing machine
    • Patent number 7,448,114
    • Issue date Nov 11, 2008
    • Tennant Company
    • Michael T. Basham
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Tessellated cylindrical brush
    • Patent number 6,449,793
    • Issue date Sep 17, 2002
    • Tennant Company
    • Joseph F. D'Costa
    • A46 - BRUSHWARE
  • Information Patent Grant

    Tessellated cylindrical brush
    • Patent number 6,286,169
    • Issue date Sep 11, 2001
    • Tennant Company
    • Joseph F. D'Costa
    • A46 - BRUSHWARE
  • Information Patent Grant

    Cylindrical brush for a sweeping machine
    • Patent number 6,003,186
    • Issue date Dec 21, 1999
    • Tennant Company
    • Warren L. Larson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Scrubbing machine having offset cylindrical brushes
    • Patent number 5,515,568
    • Issue date May 14, 1996
    • Tennant Company
    • Warren L. Larson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Power sweeper
    • Patent number D273620
    • Issue date Apr 24, 1984
    • Tennant Company
    • Paul W. Kimzey
    • D32 - Washing, cleaning, or drying machine

Patents Applicationslast 30 patents