Portable signal light
United States Patent 2492837
US Patent References:
Traffic signal
- - 1951431

Discharge tube flasher
- - 2082572

Safety water light
- - 2263518


Inventors:
Briggs, Eugene C.
Publication Date:
12/27/1949
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Assignee:
EMARCO CORP
Primary Class:
340/331
Other Classes:
220/762, 362/194, 292/246, 200/184, 340/473, 220/772, 361/270, 336/90
International Classes:
F21S9/02; F21V15/02; F21V21/40; F21V23/04; H01H35/02; F21V5/02; F21V15/04; F21S9/00; F21V15/00; F21V5/00