Patents by Inventor Walter P. Doe

Walter P. Doe 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).

  • Toy riding horse
    Patent number: D250427
    Type: Grant
    Filed: December 9, 1976
    Date of Patent: November 28, 1978
    Assignee: The Quaker Oats Company
    Inventor: Walter P. Doe
  • Toy turtle
    Patent number: D253667
    Type: Grant
    Filed: February 10, 1978
    Date of Patent: December 11, 1979
    Assignee: The Quaker Oats Company
    Inventor: Walter P. Doe
  • Toy riding horse
    Patent number: D267727
    Type: Grant
    Filed: December 11, 1980
    Date of Patent: January 25, 1983
    Assignee: Playskool, Inc.
    Inventor: Walter P. Doe
  • Pull toy
    Patent number: D274075
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: May 29, 1984
    Inventor: Walter P. Doe