TREA

Douglas C. Barker

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  • Canton, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Base for an upright extractor
    • Patent number D545012
    • Issue date Jun 19, 2007
    • The Hoover Company
    • Richard S. Parr
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Portion of a portable cleaning machine
    • Patent number D534699
    • Issue date Jan 2, 2007
    • The Hoover Company
    • David W. Moine
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Portable cleaning machine
    • Patent number D517260
    • Issue date Mar 14, 2006
    • The Hoover Company
    • David W. Moine
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Tank for a portable cleaning machine
    • Patent number D513649
    • Issue date Jan 17, 2006
    • The Hoover Company
    • David W. Moine
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Tank for a portable cleaning machine
    • Patent number D513648
    • Issue date Jan 17, 2006
    • The Hoover Company
    • David W. Moine
    • D32 - Washing, cleaning, or drying machine