Patents Assigned to Northern Technologies Limited
  • Patent number: D279987
    Type: Grant
    Filed: May 11, 1983
    Date of Patent: August 6, 1985
    Assignee: Northern Technologies Limited
    Inventor: Nuccio Bertone
  • Patent number: D281605
    Type: Grant
    Filed: May 11, 1983
    Date of Patent: December 3, 1985
    Assignee: Northern Technologies Limited
    Inventor: Nuccio Bertone
  • Patent number: D281608
    Type: Grant
    Filed: November 21, 1984
    Date of Patent: December 3, 1985
    Assignee: Northern Technologies Limited
    Inventor: Nuccio Bertone