Drilldown: Patents
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Patents > Inventor country
:
DE
or
NL
& Filing date:
1882
& Application number:
None
& Grant date:
1800 - 1899
& Assigned to
:
Sperry Gyroscope Company
or
Western Electric Company
or
None
& Family year:
1880 - 1889 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 6 results in range #1 to #6.