Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (481)
- Event (141)
- Letters (683)
- Organizations (967)
- Patents (17622)
- Person (2165)
- Publications (24573)
- Techtypes (2388)
Patents > Related to aircraft :
-1 or
.5 or
1 or
DE 369478
& National tech categories :
DE 77 or
USPC 244/80 or
USPC 244/90R
& IPCs :
IPC B64C13/00 or
IPC B64C3/38 or
None
& Citations from after 1930:
3
& Number of figures:
13
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.