Drilldown: Patents
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Patents > Grant date:
1906
& Related to aircraft :
Jan 15, 1908 or
Yes
& National tech categories :
BE K or
USPC 244/153R or
USPC 244/3.23
& IPCs :
IPC B64C11/00 or
IPC B64C3/54 or
IPC B64C31/00
& First filing:
No
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Showing below up to 1 result in range #1 to #1.