Patents Assigned to Rawell Group Holdings Limited
  • Waterproofing material and method of fabrication therefor
    Patent number: 6537676
    Abstract: A waterproofing material free of loose particulate material comprising a waterproofing sheet formed by extrusion under vacuum from a substantially homogeneous, deformable mass consisting of a mixture of particulate smectite clay and liquid.
    Type: Grant
    Filed: June 8, 1998
    Date of Patent: March 25, 2003
    Assignee: Rawell Group Holdings Limited
    Inventors: Bryan N. Flynn, Glyn C. Carter