Drilldown: Patents
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Patents > Assigned to
:
Sperry Gyroscope Company
or
Western Electric Company
& National tech categories
:
USPC 244/181
or
USPC 244/3.23
& IPCs:
IPC B64C17/00
& Number of text pages:
3-70 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.