Patent FR-1910-412643.1
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Cert d'addition to patent 412643
- Inventor location:
Sources
- espacenet
Year filed | 1909 |
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Year granted | 1910 |
Office | FR |
Patent number | 412643.1 |
Inventors | Richard Wilcke, Albert Graff |
Inventor country | DE, DE |
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Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | |
Original title | Aérostat |
English title | Air-Ship |
Tech fields | LTA, safety, navigation |
Filing date | 1909-02-02 |
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Grant date | 1910-07-18 |
Granted? | 1 |
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Supplementary to patent | |
Related to aircraft? | 1 |
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National tech categories | FR 6.4 |
IPCs | IPC B64B1/58 |
CPCs | CPC B64B1/58 |
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Citations from after 1930 | |
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