Drilldown: Patents
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Patents > Inventor country:
DE
& Grant date:
1912
& Related to aircraft
:
1906314176
or
Yes
or
marine
& National tech categories:
None
& Citations from after 1930:
None
& Number of claims:
2-3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.