David M Ham

Person

  • Bristol, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid displacement apparatus

    • Patent number 6,375,411
    • Issue date Apr 23, 2002
    • Rolls-Royce PLC
    • David M Ham
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES