Patents by Inventor Harry G. Sparks, deceased

Harry G. Sparks, deceased 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: RE29266
    Abstract: An electric motor-controlled lamp capable of being controlled from a location remote from the lamp utilizing a pair of reversible electric motors mounted wholly within the lamp housing wherein the lamp may be pivoted by the motors about both horizontal and vertical axes by energizing the electric motors. The lamp includes flood and spotlight filaments, the spotlight filament switch including resistor means connected in series with the electric drive motors to automatically reduce the rate of lamp adjustment when the spotlight filament is utilized.
    Type: Grant
    Filed: January 24, 1974
    Date of Patent: June 14, 1977
    Assignee: S-C Liquidating Corporation
    Inventors: Lawrence E. Hessemer, Richard P. Manning, Harry G. Sparks, deceased, Walter H. Powers