Patent GB-1891-20136
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Propulsion apparatus, with feathering oars, for airships or submarines.
Sources
- Abridgment of patent specifications, 1889–1891, Class 4, p. 18
Year filed | 1891 |
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Office | GB |
Patent number | 20136 |
Inventors | A. A. Trinquier |
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Tech fields | propulsion, navigation, subsystem, marine |
Filing date | 1891-11-19 |
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Related to aircraft? | 1 |
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National tech categories | GB 4 propel boats |
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