Cliff Lee Roberts

Person

  • Houston, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Portable pitching mound

    • Patent number 7,621,831
    • Issue date Nov 24, 2009
    • Cliff Lee Roberts
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Portable pitching mound

    • Publication number 20070117660
    • Publication date May 24, 2007
    • Cliff Lee Roberts
    • A63 - SPORTS GAMES AMUSEMENTS