Patents by Inventor Ann P. Clarke

Ann P. Clarke 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).

  • Clutch toy
    Patent number: D265573
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: July 27, 1982
    Assignee: Douglas Company, Inc.
    Inventor: Ann P. Clarke