Drilldown: Patents
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Patents > Year filed:
1879
& Office:
DE
& Granted
:
No
or
Yes
or
None
& CPCs
:
CPC B64C13/00
or
None
& Family year:
1870 - 1879
& Number of claims:
None
& Number of figures:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.