Sighting device
United States Patent 2412585

Inventors:
Klemperer, Wolfgang B.
Goldberg, Sydney J.
Publication Date:
12/17/1946
View Patent Images:
Download PDF 2412585 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
DOUGLAS AIRCRAFT CO INC
Primary Class:
33/229
Other Classes:
235/403
International Classes:
F41G5/14; F41G5/00