Drilldown: Patents
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Patents > Year granted:
1890 - 1899
& Inventor country :
DE or
NL
& Application number:
None
& Assigned to :
Sperry Gyroscope Company or
Western Electric Company or
None
& IPCs :
IPC B64B1/00 or
IPC B64C23/00
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Showing below up to 5 results in range #1 to #5.