TREA

Douglas C. Barker

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  • Canton, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Carpet cleaning dry powder spreader
    • Patent number D498888
    • Issue date Nov 23, 2004
    • The Hoover Company
    • Matthew J. Archer
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Vacuum cleaner
    • Patent number D488893
    • Issue date Apr 20, 2004
    • The Hoover Company
    • David W. Moine
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Vacuum cleaner suction nozzle
    • Patent number D474315
    • Issue date May 6, 2003
    • The Hoover Company
    • Matthew J. Archer
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Upper portion of a vacuum cleaner
    • Patent number D473686
    • Issue date Apr 22, 2003
    • The Hoover Company
    • Matthew J. Archer
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Vacuum cleaner upper portion
    • Patent number D427397
    • Issue date Jun 27, 2000
    • The Hoover Company
    • William G. Alford
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Vacuum cleaner upper portion
    • Patent number D426689
    • Issue date Jun 13, 2000
    • The Hoover Company
    • William G. Alford
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Vacuum cleaner upper portion
    • Patent number D426688
    • Issue date Jun 13, 2000
    • The Hoover Company
    • David W. Moine
    • D32 - Washing, cleaning, or drying machine