Daniel Graham Ball

Person

  • Darlington, County Durham, DL3 7UA, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe coupling

    • Patent number 5,863,078
    • Issue date Jan 26, 1999
    • Daniel Graham Ball
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...