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ROAD DRIVER COMMUNICATION SYSTEM UTILIZING HALL CELL SENSOR
US 3,493,923 A
Filed
: 06/09/1967
Issued
: 02/03/1970
Est. Priority Date
: 06/09/1967
Status: Expired due to Term
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Current Assignee
James E. Stevens
,
William G. Trabold
Original Assignee
James E. Stevens
,
William G. Trabold
Inventors
Stevens, James E.
,
Trabold, William G.
Application Number
US04/644,942
Time in Patent Office
970 Days
Field of Search
US Class Current
340/905
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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