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Donald E. Watkins

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  • Parma, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Carpet cleaner
    • Patent number D288016
    • Issue date Jan 27, 1987
    • The Regina Co., Inc.
    • Donald E. Watkins
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Carpet cleaner
    • Patent number D287894
    • Issue date Jan 20, 1987
    • Regina Co. Inc.
    • Donald E. Watkins
    • D32 - Washing, cleaning, or drying machine