Drilldown: Patents
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Patents > Year filed:
1918
& Office :
FR or
US
& Related to aircraft :
1 or
Jan 15, 1908
& National tech categories :
FR 5 or
FR 5.3 or
USPC 244/80
& IPCs :
IPC B64C3/00 or
IPC B64C39/00 or
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.