Patents by Inventor David R. North

David R. North 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).

  • Wheel cover
    Patent number: D310811
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: September 25, 1990
    Assignee: General Motors Corporation
    Inventors: David R. North, Charles H. Stewart
  • Wheel cover
    Patent number: D310989
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: October 2, 1990
    Assignee: General Motors Corporation
    Inventors: David R. North, Charles H. Stewart