Patent FR-1899-285841
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To understand the tech, see Aneroid barometer.
- Inventor location:
Sources
- L'Aerophile, Sep 1899, p108
- Not on espacenet yet
| Year filed | 1899 |
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| Year granted | 1899 |
| Office | FR |
| Patent number | 285841 |
| Inventors | Watkin |
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| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Perfectionnements dans les baromètres anéroides |
| English title | Improvements in aneroid barometers |
| Tech fields | instrument, barometer, aneroid barometer |
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| Grant date | 1899-02-13 |
| Granted? | 1 |
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| Related to aircraft? | 1 |
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| Family year | 1899 |
| First filing? | 1 |
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