Title:
PROJECTION LAMP WITH ELLIPTICAL MIRROR AND LIGHT SOURCE MOUNTING STRUCTURE
United States Patent 3488543
Inventors:
Ridder, Jan DE.
Jacobs, Thomas Antonius Corneli
Prijn, Cornelis
Publication Date:
01/06/1970
International Classes:
G03B21/20; H01K1/14; H01K7/02; H01K1/00; H01K7/00; H01J17/32; H01J65/08