Drilldown: Patents
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Patents > Grant date:
December 31, 1912
& Assigned to
:
Edward E. Clement
or
Sturtevant Aeroplane Co.
or
Westinghouse Air Spring Company
& IPCs
:
IPC B64B1/00
or
IPC B64C3/00
or
IPC B64C31/06 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.