Patent FR-1891-217128
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Inventor location: rue Fontaine, 9, Paris
| Year filed | |
|---|---|
| Year granted | 1891 |
| Office | FR |
| Patent number | 217128 |
| Inventors | Backman |
| Inventor country | |
| Inventor location | |
| Applicant person | Backman |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Gouvernail gyroscopique |
| English title | Gyroscopic rudder |
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| Filing date | |
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| Application number | |
| Grant date | October 31, 1891 |
| Granted? | Yes |
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| Related to aircraft? | Partially |
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| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
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