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James J. Gratkowski

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  • Marco Island, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Timing pad
    • Patent number 6,914,536
    • Issue date Jul 5, 2005
    • James J. Gratkowski
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Timing pad
    • Publication number 20040264300
    • Publication date Dec 30, 2004
    • James J. Gratkowski
    • G04 - HOROLOGY
  • Information Patent Application

    Laser beam pool ball teaching method
    • Publication number 20030059752
    • Publication date Mar 27, 2003
    • Joseph J. Gratkowski
    • A63 - SPORTS GAMES AMUSEMENTS