Patents by Inventor Furman D. Kell

Furman D. Kell 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).

  • Infrared radiation bi-level electric control
    Patent number: 4647788
    Abstract: An electric switch for controlling a light has an infrared radiation detector. In response to a change in the radiation being sensed by the detector, the light is illuminated to a first brightness level. A manual switch is provided to turn on the light to a second brightness level.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: March 3, 1987
    Assignee: RCA Corporation
    Inventors: Donald W. Maile, Furman D. Kell