Drilldown: Patents
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Patents > Grant date:
1909
& Related to aircraft
:
0?
or
1
or
1908-12-31
or
1911-07-04
or
Yes
& IPCs
:
IPC B64B1/40
or
IPC B64C3/18 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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