Patents by Inventor Dan A. Olson

Dan A. Olson 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).

  • Combined toy horse head and torso
    Patent number: D541889
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: May 1, 2007
    Inventor: Dan A. Olson
  • Toy horse
    Patent number: D318498
    Type: Grant
    Filed: August 16, 1988
    Date of Patent: July 23, 1991
    Assignee: Danoco Corporation
    Inventor: Dan A. Olson