Electric lamp unit
United States Patent 2110137

Inventors:
Douglas, Harry A.
Publication Date:
03/08/1938
View Patent Images:
Download PDF 2110137 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
KINGSTON PRODUCTS CORP
Primary Class:
403/400
Other Classes:
439/546, 362/382
International Classes:
F21V19/00