David V. Humpherson

Person

  • Chiselborough, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Circulation control aerofoils

    • Patent number 5,529,458
    • Issue date Jun 25, 1996
    • Westland Helicopters Limited
    • David V. Humpherson
    • B64 - AIRCRAFT AVIATION COSMONAUTICS