Drilldown: Patents
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- Publications (24571)
- Techtypes (2388)
Patents > Year granted:
1890 - 1899
& Inventor country:
DE
& Application number:
None
& Assigned to :
Sperry Gyroscope Company or
Western Electric Company or
None
& National tech categories:
GB 4 propel & steer
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airplane (1) ·
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Showing below up to 7 results in range #1 to #7.