Drilldown: Patents
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Patents > Grant date:
1916
& Related to aircraft
:
-1
or
0.5
or
1852-08-14
or
Other
& IPCs
:
IPC B64C13/00
or
IPC B64C31/06
& Family year:
1910 - 1919 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.