Patents by Inventor Hugh F. Jennings

Hugh F. Jennings 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).

  • Rotatable sign
    Patent number: 4353179
    Abstract: A rotatable sign adapted to be driven by air currents to provide successively changing indicia to a viewer is disclosed. Indicia formed of light-reflective material and mounted on a dark background is located at different levels on at least two of three side panels of the sign to provide the illusion of a vertically moving sign. The rotatable portion of the sign can be inverted to reverse the direction of rotation.
    Type: Grant
    Filed: June 9, 1981
    Date of Patent: October 12, 1982
    Inventor: Hugh F. Jennings