Patents by Inventor David P. Doyle

David P. Doyle 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).

  • Automobile
    Patent number: D305624
    Type: Grant
    Filed: December 24, 1987
    Date of Patent: January 23, 1990
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: David P. Doyle, Tokuo Fukuichi
  • Wheel cover
    Patent number: D386738
    Type: Grant
    Filed: August 23, 1995
    Date of Patent: November 25, 1997
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: David P. Doyle
  • Automobile wheel
    Patent number: D414155
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: September 21, 1999
    Assignee: Toyota Jidosha K.K.
    Inventor: David P. Doyle