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David K. Thatcher, Owner

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Patents Applicationslast 30 patents

  • Information Patent Application

    Mopping Machine
    • Publication number 20120137464
    • Publication date Jun 7, 2012
    • David K. Thatcher, Owner
    • David K. Thatcher
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...