TREA

Douglas S. Rubel

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  • Columbus, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grout cleaning tool
    • Patent number D548906
    • Issue date Aug 14, 2007
    • The Hoover Company
    • Lynn A. Frederick
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Tool caddy
    • Patent number D520693
    • Issue date May 9, 2006
    • The Hoover Company
    • Lynn A. Frederick
    • D32 - Washing, cleaning, or drying machine