Patents by Inventor Carole F. Littlefield

Carole F. Littlefield 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).

  • Patent number: D297823
    Type: Grant
    Filed: June 25, 1986
    Date of Patent: September 27, 1988
    Inventor: Carole F. Littlefield