Drilldown: Patents
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Patents > Filing date:
1907
& Grant date:
1900 - 1909
& Related to aircraft
:
.5?
or
1909-11-30
or
Yes
or
yes, Jul 6 1908
or
Other
& National tech categories
:
USPC 244/153R
or
USPC 244/3.23
or
USPC 244/30
or
USPC 244/80 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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