Robert J. Sutphen

Person

  • Lowell, IN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Portable track

    • Patent number 5,660,595
    • Issue date Aug 26, 1997
    • F & V Sports Marketing, L.P.
    • Peter A. Ferro
    • A63 - SPORTS GAMES AMUSEMENTS