Patent FR-1870-90732
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- Patent agent location: Paris (23, boulevard de Strasbourg, Seine)
Sources
| Year filed | 1870 |
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| Office | FR |
| Patent number | 90732 |
| Inventors | Pierre-Félix Varenne |
| Inventor country | FR |
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| Original title | système perfectionné de navigation aérienne |
| English title | perfected system of aerial navigation |
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| Filing date | 1870-07-20 |
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| Related to aircraft? | Yes |
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| Patent agent | Albert Cahen |
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| National tech categories | FR 5 |
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