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VOLUME-OCCUPANCY CONTROL OF TRAFFIC FLOW
US 3,506,808 A
Filed
: 03/24/1967
Issued
: 04/14/1970
Est. Priority Date
: 03/24/1967
Status: Expired due to Term
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Current Assignee
James H. Hufford
,
Ralph M. Riddle Jr
Original Assignee
James H. Hufford
,
Ralph M. Riddle Jr
Inventors
Riddle, Ralph M. Jr.
,
Hufford, James H.
Application Number
US04/625,742
Time in Patent Office
1,117 Days
Field of Search
US Class Current
701/118
CPC Class Codes
G08G 1/0104
Measuring and analyzing of ...
G08G 1/08
according to detected numbe...
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