Drilldown: Patents
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Patents > Year filed:
1900 - 1909
& Office
:
ES
or
MX
& Applicant is inventor
:
No
or
Yes
& Application number
:
propulsion
or
None
& Related to aircraft:
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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.