Title:
Remote control system
United States Patent 3020522
Inventors:
Lesher, John C.
Publication Date:
02/06/1962
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Assignee:
RAD O LITE INC
Primary Class:
340/906
International Classes:
G08G1/087; G08G1/07
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US Patent References:
2903674Remote emergency traffic control system
2881409Signalling system
2291855Traffic actuated signaling apparatus
2203871Radio traffic control