Patents by Inventor Cornelius W. Christie

Cornelius W. Christie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Typewriter
    Patent number: D257561
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: November 25, 1980
    Assignee: SCM Corporation
    Inventor: Cornelius W. Christie
  • Ribbon cartridge
    Patent number: D265566
    Type: Grant
    Filed: September 29, 1980
    Date of Patent: July 27, 1982
    Assignee: SCM Corporation
    Inventors: Cornelius W. Christie, Samuel D. Cappotto
  • Ribbon cartridge
    Patent number: D265567
    Type: Grant
    Filed: September 29, 1980
    Date of Patent: July 27, 1982
    Assignee: SCM Corporation
    Inventors: Cornelius W. Christie, Samuel D. Cappotto
  • Typewriter
    Patent number: D281253
    Type: Grant
    Filed: February 6, 1984
    Date of Patent: November 5, 1985
    Assignee: SCM Corporation
    Inventor: Cornelius W. Christie