Drilldown: Patents
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Patents > Year filed:
1890 - 1899
& Filing date:
1890 - 1899
& Full specification filed date:
1897
& Granted:
Yes
& Related to aircraft :
0.5 or
1908-12-31 or
1909-11-30 or
Jan 15, 1908 or
Other
& First filing:
None
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- Timeline: Year filed
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- Calendar: Year filed
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