Patents by Inventor Patricia Ann Root

Patricia Ann Root 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).

  • Puzzle toy
    Patent number: D247516
    Type: Grant
    Filed: December 5, 1975
    Date of Patent: March 14, 1978
    Assignee: Educational Design Associates
    Inventor: Patricia Ann Root