Drilldown: Patents
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Patents > Inventor country
:
DE
or
HU
or
NL
& Full specification filed date:
1897
& Application number
:
1732817
or
None
& Assigned to
:
Sperry Gyroscope Company
or
Western Electric Company
or
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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