Marek Czekanski

Person

  • Toronto, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Math game and method

    • Patent number 7,604,237
    • Issue date Oct 20, 2009
    • Marek Czekanski
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Math game and method

    • Publication number 20080169608
    • Publication date Jul 17, 2008
    • Marek Czekanski
    • A63 - SPORTS GAMES AMUSEMENTS