Patent FR-1870-91051
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- Patent agent location: Paris (6, rue des Filles-du-Calvaire, Seine)
Sources
| Year filed | 1870 |
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| Year granted | |
| Office | FR |
| Patent number | 91051 |
| Inventors | William Unsworth |
| Inventor country | FR |
| Inventor location | Paris, Seine |
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| Applicant is inventor? | 1 |
| Original title | système de direction des ballons |
| English title | system of balloon steering |
| Tech fields | balloon, steering |
| Filing date | 1870-11-05 |
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| Granted? | 1
Patent agent=Blétry |
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| Related to aircraft? | Yes |
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| Family year | 1870 |
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| Citations from after 1930 | |
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