Patents Assigned to Cable and Wireless PLC
  • Underwater plough and method for varying ploughing depth
    Patent number: 5988948
    Abstract: An underwater plough for ploughing an underwater bed, the plough comprising a first share (10) and a second share (21) which is movable with respect to the first share whereby the depth of the ploughing profile presented by the plough can be varied.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: November 23, 1999
    Assignee: Cable and Wireless PLC
    Inventor: Jeremy J. R. Featherstone