Drilldown: Patents
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Patents > Year filed:
1893
& Office
:
CA
or
DE
& Applicant is inventor:
Yes
& Grant date:
1890 - 1899
& CPCs
:
CPC B64C17/00
or
CPC B64C2700/6235
or
None
& First filing:
None ![](/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 3 results in range #1 to #3.