Patent GB-1891-1555
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Sources
- Brewer and Alexander, 1893, Aeronautics
- espacenet
- Abridgment of patent specifications, Class 4, 1889–92, p. 12
| Year filed | 1891 |
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| Year granted | |
| Office | GB |
| Patent number | 1555 |
| Inventors | William Houston Sinclair |
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| Original title | Navigable balloons |
| English title | Navigable balloons |
| Tech fields | LTA, gas, balloon, compartments |
| Filing date | 1891-01-28 |
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| Granted? | 1 |
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| Related to aircraft? | 1 |
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| National tech categories | GB 4 with buoyant |
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