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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 > Inventor country:
GB& Applicant type :
COMPANY + INDIVorINDIV& Tech fields :
liftornavigationorpropulsion& Grant date:
1919& Related to aircraft:
Yes& Family year:
1910 - 1919& Cites these patents :
1911orUSPC 244/87orNone