Stepped Top Patents (Class D12/89)
  • Patent number: D262099
    Type: Grant
    Filed: March 5, 1979
    Date of Patent: December 1, 1981
    Assignee: Brink's Incorporated
    Inventor: Russell H. Harding
  • Patent number: D297626
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: September 13, 1988
    Assignee: Enterprise Industries, Inc.
    Inventors: Fred P. London, Alvin D. Hildenbrand
  • Van
    Patent number: D316531
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: April 30, 1991
    Inventor: Vahe Karapetian