Drilldown: Patents
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Patents > Grant date:
1840 - 1849
& Related to aircraft:
0
& First filing
:
No
or
Other
& Number of diagram pages:
1-2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 4 results in range #1 to #4.