Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (475)
- Event (141)
- Letters (683)
- Organizations (965)
- Patents (17522)
- Person (2105)
- Publications (24555)
- Techtypes (2370)
Patents > Year filed:
1850 - 1859
& Related to aircraft:
None
& National tech categories:
FR 2
& IPCs :
IPC B64C33/00 or
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.