Drilldown: Patents
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- Airplane (18)
- Airship (15)
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- Letters (683)
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- Patents (17622)
- Person (2165)
- Publications (24573)
- Techtypes (2388)
Patents > Related to aircraft
:
-1
or
.5
or
1
or
DE 369478
& National tech categories
:
FR 6.3
or
IT 8
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 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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