Patents by Inventor Richard J. Dickinson

Richard J. Dickinson 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).

  • Computer
    Patent number: D266848
    Type: Grant
    Filed: August 14, 1980
    Date of Patent: November 9, 1982
    Assignee: Sinclair Research Limited
    Inventor: Richard J. Dickinson
  • Computer
    Patent number: D272349
    Type: Grant
    Filed: August 21, 1981
    Date of Patent: January 24, 1984
    Assignee: Sinclair Research Limited
    Inventor: Richard J. Dickinson
  • Computer
    Patent number: D277484
    Type: Grant
    Filed: October 13, 1982
    Date of Patent: February 5, 1985
    Inventor: Richard J. Dickinson
  • Notched edge carpenter square design
    Patent number: D495614
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: September 7, 2004
    Inventor: Richard J. Dickinson