Letter Or Numeral Patents (Class D11/116)
  • Patent number: D249781
    Type: Grant
    Filed: June 8, 1976
    Date of Patent: October 3, 1978
    Inventors: Douglas A. Richardson, William A. Richardson
  • Patent number: D250008
    Type: Grant
    Filed: September 3, 1976
    Date of Patent: October 24, 1978
    Inventors: Marion Zelenko, Frank Granat
  • Patent number: D252196
    Type: Grant
    Filed: April 14, 1977
    Date of Patent: June 26, 1979
    Inventor: Robert W. Gehrke
  • Patent number: D264693
    Type: Grant
    Filed: November 27, 1979
    Date of Patent: June 1, 1982
    Assignee: Helior S.A.
    Inventor: Pierre Rodier
  • Patent number: D274417
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: June 26, 1984
    Inventor: Nicholas Capodilupo