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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 > Year granted:
1860 - 1869& Inventor country:
US& Tech fields :
airplaneorframeorpropulsion& Application number :
propellerorNone& Related to aircraft:
0.5& National tech categories:
USPC 244/65& Cites these patents :
USPC 244/87orNone& Citations from after 1930:
None