Drilldown: Patents
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Patents > Year filed:
1865
& Related to aircraft
:
.5?
or
Yes
& National tech categories
:
USPC 244/153R
or
USPC 416/116
& CPCs
:
CPC B64C2700/6212
or
CPC B64C33/02 ![](/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)
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