Patents Assigned to Dialene plc
  • Patent number: D313118
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: December 25, 1990
    Assignee: Dialene plc
    Inventor: Richard J. Maddocks
  • Patent number: D315444
    Type: Grant
    Filed: January 31, 1990
    Date of Patent: March 19, 1991
    Assignee: Dialene plc
    Inventor: Richard J. Maddocks