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Aircraft clearance control system
US 2,809,340 A
Filed
: 12/12/1955
Issued
: 10/08/1957
Est. Priority Date
: 12/12/1955
Status: Expired due to Term
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Current Assignee
Walter J. Bernhart
Original Assignee
Walter J. Bernhart
Inventors
Bernhart, Walter J.
Application Number
US03/552,663
Time in Patent Office
666 Days
Field of Search
US Class Current
318/566
CPC Class Codes
G01S 13/935
for terrain-avoidance
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