Title:
Light
Document Type and Number:
United States Patent 1536623
Inventors:
Norvell, Benjamin E.
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Publication Date:
05/05/1925
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Assignee:
Norvell, Benjamin E.
Primary Class:
Other Classes:
362/284, 116/63R, 362/279, 362/321
International Classes:
F21S10/00; F21V11/00; G08G1/095