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Moving traffic signal device
US 2,632,153 A
Filed
: 01/11/1951
Issued
: 03/17/1953
Est. Priority Date
: 01/11/1951
Status: Expired due to Term
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Current Assignee
John E. Swanger
Original Assignee
John E. Swanger
Inventors
Swanger, John E.
Application Number
US03/205,456
Time in Patent Office
796 Days
Field of Search
US Class Current
340/932
CPC Class Codes
G08G 1/096716
where the received informat...
G08G 1/096758
where no selection takes pl...
G08G 1/096783
where the origin of the inf...
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