US Patent 8473189 Helicopter having collision avoidance apparatus
Patent 8473189 was granted and assigned to DEUTSCHES ZENTRUM FÜR LUFT- UND RAUMFAHRT E.V. on June, 2013 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
August 31, 2009
Date of Patent
June 25, 2013
Patent Application Number
13121502
Patent Citations Received
Patent Inventor Names
Kessler Christoph
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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