Reflecting means
United States Patent 1581491

Inventors:
Calhoun, Rhodes Taylor
Publication Date:
04/20/1926
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Assignee:
Calhoun, Rhodes Taylor
Primary Class:
362/299
Other Classes:
362/517, 362/310, 362/347, 362/516, 362/309, 362/277
International Classes:
F21V7/00; F21V14/00