Patent BE-1876-39851
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- Inventor location: Paris
| Year filed | 1876 |
|---|---|
| Year granted | |
| Office | BE |
| Patent number | 39851 |
| Inventors | |
| Inventor country | FR |
| Inventor location | Paris, Seine |
| Applicant person | Borel Dandrieux |
| Applicant firm | Dandrieux, Gravier et Compagnie |
| Applicant type | COMPANY |
| Applicant is inventor? | Yes |
| Original title | |
| English title | A toy called helicoptere |
| Tech fields | |
| Filing date | 1876-06-24 |
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| Granted? | Yes |
| Publication date | |
| Supplementary to patent | Patent FR-1876-113307 |
| Related to aircraft? | Yes |
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| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
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