Drilldown: Patents
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- Airplane (18)
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- Publications (24554)
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Patents > Assigned to:
None
& National tech categories
:
USPC 244/3.23
or
USPC 244/30
& Citations from after 1930:
1-2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
Use the filters below to narrow your results.
Showing below up to 11 results in range #1 to #11.