Drilldown: Patents
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- Patents (17618)
- Person (2160)
- Publications (24571)
- Techtypes (2385)
Patents > Year filed:
1890 - 1899
& Related to aircraft:
Yes
& IPCs
:
IPC B64B1/40
or
IPC B64C13/00
or
IPC B64C3/00
or
IPC B64C31/00
or
IPC B64C31/06
& First filing:
No ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
Use the filters below to narrow your results.
collapsible (1) ·
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Showing below up to 4 results in range #1 to #4.
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- Calendar: Year filed
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