Patents by Inventor Frank W. Spore

Frank W. Spore 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 helicopter
    Patent number: D250966
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: January 30, 1979
    Inventor: Frank W. Spore