Drilldown: Patents
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Patents > Office
:
DE
or
JP
& Filing date:
August 26, 1913
& Related to aircraft
:
1909-11-30
or
Jan 15, 1908
or
Yes
& National tech categories
:
DE 77
or
DE 77h.5
or
USPC 244/233
& IPCs
:
IPC B64C3/14
or
IPC B64C33/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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