Patents by Inventor D. E. Franklin

D. E. Franklin 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: 3969849
    Abstract: A self-supporting lighting fixture which is used for night lighting of tennis courts or other gaming surfaces, parking lots and service areas, is constructed of a combination of longitudinal metal members to which are fastened sheets of reflective metal. These reflective sheets together with their associated longitudinal members form a body in the shape of a hollow prism. The whole fixture comprises a structure in which the reflective sheets are stressed and carry both bending and torsional stresses.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: July 20, 1976
    Inventor: D. E. Franklin