Drilldown: Patents
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Patents > Inventor country
:
CH
or
IT
or
NL
or
US
& Application number
:
1732817
or
25941D
or
None
& Grant date:
1840 - 1849
& Assigned to
:
Western Electric Company
or
None
& Number of text pages:
2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 3 results in range #1 to #3.