Multiple lamp
United States Patent 1347846

Inventors:
Joseph, Gelb
Publication Date:
07/27/1920
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Assignee:
Joseph, Gelb
Primary Class:
362/250
Other Classes:
211/166, 362/401, D26/102, 362/403, 248/123.200
International Classes:
G03B15/07; G03B15/02