Patents by Inventor Edwin W. Ellett

Edwin W. Ellett 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: 4280167
    Abstract: An improved operating room surgical lamp having a concave reflector housing, an inverted conical reflector disposed therein and one or more circular fluorescent lamps disposed within the concave reflector and about the inverted conical reflector. The surgical lamp of the present invention provides an evenly illuminated light field having a centrally illuminated portion of even greater illumination.
    Type: Grant
    Filed: September 13, 1979
    Date of Patent: July 21, 1981
    Inventor: Edwin W. Ellett