Drilldown: Patents
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Patents > Office
:
??
or
CU
or
FR
or
IN
& Applicant is inventor:
Yes
& Grant date:
1914
& Granted:
Yes
& CPCs
:
CPC B64B1/58
or
CPC B64C39/00
& First filing:
No ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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