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Notice: Trying to access array offset on value of type int in /home/econterm/econterms.net/aero/extensions/Cargo/drilldown/CargoFilterValue.php on line 79 Drilldown: Patents - Inventing aviation
Patents > Tech fields:
lift& Filing date:
January 1909& Supplementary to patent :
Patent FR-1908-407090orPatent US-1913-04-21 George Raymond Lawrence& Related to aircraft :
1/2or1912-01-30orYesorflapping& IPCs :
IPC B64C13/00orIPC B64C27/04& Cites these patents:
None