Patents Assigned to Double D Specialties, Inc.
  • Patent number: D275706
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: September 25, 1984
    Assignee: Double D Specialties, Inc.
    Inventors: Ulric W. Trombley, Richard J. Nozel
  • Patent number: D283120
    Type: Grant
    Filed: September 29, 1983
    Date of Patent: March 25, 1986
    Assignee: Double D Specialties, Inc.
    Inventors: Ulric W. Trombley, Richard J. Nozel
  • Patent number: D284565
    Type: Grant
    Filed: January 30, 1984
    Date of Patent: July 8, 1986
    Assignee: Double D Specialties, Inc.
    Inventors: Ulric W. Trombley, Richard J. Nozel