Drilldown: Patents
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Patents > Office
:
FI
or
GB
& Filing date:
December 1909
& Grant date:
1911
& Supplementary to patent
:
Patent FR-1916-502839
or
Patent HU-1901-24148
or
None
& Assigned to
:
Western Electric Company
or
None
& IPCs:
IPC B64C3/18 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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