William M. Fraser

Person

  • Barrhead, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas circulator

    • Patent number 4,725,198
    • Issue date Feb 16, 1988
    • James Howden & Company Limited
    • William M. Fraser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...