Drilldown: Patents
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Patents > Applicant firm:
None
& Filing date:
1880 - 1889
& Grant date:
November 30, 1880
& Related to aircraft
:
.5?
or
1852-08-14
& National tech categories
:
BE K
or
DE 77h.5
or
USPC 244/153R
or
USPC 244/22
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)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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