Patents by Inventor Priscilla R. Middleton

Priscilla R. Middleton 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).

  • Patterned mat for toy vehicles
    Patent number: D308149
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: May 29, 1990
    Assignee: Brio Scanditoy Corporation
    Inventors: Mary E. Lewis, Priscilla R. Middleton