Title:
Portable emergency signal and traffic control apparatus
United States Patent 2838744
US Patent References:
/1283858.html
- - 1283858

Street-traffic signal
- - 1353999

Traffic-signal device
- - 1546501

Signal
- - 2237536

Portable visual and electric traffic signal
- - 2564170


Inventors:
Wald, William DE. N.
Publication Date:
06/10/1958
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Assignee:
Wald, William DE. N.
Primary Class:
340/908.100
Other Classes:
116/63R, 340/815.730, 116/63P
International Classes:
G08G1/095
US Patent References:
2401940Portable traffic signal
2456685Warning signal conversion kit for standard flashlights
2564145Portable, visual, and electric traffic signal
2591888Portable highway signal light