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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:
1920 - 1929& Applicant person :
Alfred E. WunderlichorArthur R. LyonsorNone& Applicant is inventor:
Yes& Tech fields :
designorpropeller& Related to aircraft:
1& IPCs:
IPC B64C11/18& Cites these patents:
None& Citations from after 1930:
None