Drilldown: Patents
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Patents > Year filed:
1894
& Office
:
BE
or
US
& Granted:
Yes
& Related to aircraft
:
0.5
or
1909-11-30
or
Other
& CPCs
:
CPC B64B1/40
or
CPC F01D5/06 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.