Drilldown: Patents
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Patents > Year filed:
1890 - 1899
& Office
:
AT
or
BE
or
US
& Filing date:
1890 - 1899
& Granted:
Yes
& Related to aircraft
:
0.5
or
1908-12-31
or
1909-11-30
or
Other
& CPCs:
CPC Y10T24/3747
& First filing
:
Yes
or
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