Patents Examined by Robert G. Spangler
  • Patent number: D247023
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: January 24, 1978
    Assignee: American Cyanamid Company
    Inventor: Adam J. Grodin
  • Patent number: D250557
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: December 19, 1978
    Inventor: Melvin B. Leeb
  • Patent number: D255010
    Type: Grant
    Filed: February 10, 1977
    Date of Patent: May 20, 1980
    Assignee: Consumers Glass Company Limited
    Inventor: Peter K. Boller
  • Patent number: D258869
    Type: Grant
    Filed: June 3, 1977
    Date of Patent: April 14, 1981
    Inventor: Jack H. Firanzi
  • Patent number: D266650
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: October 26, 1982
    Assignee: A. Ahlstrom Osakeyhtio
    Inventor: Timo Sarpaneva
  • Patent number: D270617
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: September 20, 1983
    Assignee: Emerson Electric Co.
    Inventors: Roman L. Skowronski, John M. Szekeres
  • Patent number: D272575
    Type: Grant
    Filed: February 27, 1981
    Date of Patent: February 7, 1984
    Assignee: Beylerian Limited
    Inventor: Giuseppe d'Imporzano
  • Patent number: D275457
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: September 11, 1984
    Assignee: Owens-Illinois, Inc.
    Inventor: Sidney M. Libit
  • Patent number: D284611
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: July 8, 1986
    Assignee: Motorola, Inc.
    Inventors: Garland D. Cotney, Scot W. Taylor