Drilldown: Patents
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Patents > Year granted:
1840 - 1849
& Office
:
AT
or
MX
or
US
or
Other
& Granted:
Yes
& First filing:
Yes
& Cites these patents:
None
& Number of diagram pages:
1-2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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