Title:
Beam-adjusting means
United States Patent 1748057


Inventors:
Arbuckle, Samuel F.
Application Number:
US18948327A
Publication Date:
02/25/1930
Filing Date:
05/07/1927
Assignee:
MONOGRAM LENS CORP
Primary Class:
Other Classes:
362/273
International Classes:
B60Q1/04; B60Q1/14; F21V11/00; F21V14/04
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