Drilldown: Patents
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Patents > Office
:
AH
or
DE
& Inventor country:
US
& Supplementary to patent
:
Patent GB-1908-4519
or
Patent HU-1917-77280
or
None
& Related to aircraft
:
0
or
1
or
1909-11-30 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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