Title:
Traffic control device
United States Patent 2347194

Inventors:
Holliday, Theodore B.
Publication Date:
04/25/1944
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Assignee:
Holliday, Theodore B.
Primary Class:
340/937
Other Classes:
361/180, 342/69, 318/484, 235/98A, 361/181, 346/107.200, 340/936, 346/18, 346/17, 318/461
International Classes:
G08G1/054; G08G1/052