Patents Assigned to Lighting Development Co.
  • Patent number: 3940606
    Abstract: A light projecting apparatus consists of a concave, substantially prolate-spheroidal reflector having a major axis coincident with the optical axis of the apparatus and a metal halide high intensity discharge source positioned at a first focal point of the reflector and inclined with respect to the optical axis of the apparatus at an angle of approximately 30.degree..
    Type: Grant
    Filed: July 19, 1974
    Date of Patent: February 24, 1976
    Assignee: Lighting Development Co.
    Inventor: Thomas M. Lemons