Patents Assigned to Stevecleave Limited
  • Patent number: 4550541
    Abstract: An aluminum scaffold tube filled with a predominantly closed-cell foam material selected so as to give the filled tube positive buoyancy in sea water and to resist collapse at pressures of up to at least 14062 Kg/m.sup.2.
    Type: Grant
    Filed: July 26, 1984
    Date of Patent: November 5, 1985
    Assignee: Stevecleave Limited
    Inventors: Joseph E. Whitlam, Alwyn H. Richards