Drilldown: Patents
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Patents > Year granted:
1911
& Related to aircraft
:
1906314176
or
1912-01-30
or
Yes
& National tech categories:
USPC 89/1.59
& Number of claims:
3-5 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.