Drilldown: Patents
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- Patents (17620)
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- Publications (24571)
- Techtypes (2388)
Patents > Year granted:
1890 - 1899
& Inventor country
:
DE
or
NL
& Application number:
None
& Assigned to
:
Sperry Gyroscope Company
or
Western Electric Company
or
None
& National tech categories
:
CH 115
or
FR 5 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 5 results in range #1 to #5.