Drilldown: Patents
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Patents > Office
:
DE
or
SAX
& Inventor country
:
DE
or
NL
& Application number:
None
& Assigned to
:
Sperry Gyroscope Company
or
Western Electric Company
or
None
& Family year:
1920 - 1929 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 12 results in range #1 to #12.