Patent DE-1909-ka
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| Year filed | |
|---|---|
| Year granted | 1909 |
| Office | DE |
| Patent number | ka |
| Inventors | O. Koch |
| Inventor country | |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | Wendeflügelrad mit beim Aufgang tangential und beim Niedergang horizontal gestellten Schlagflächen |
| English title | Wendeflügelrad mit beim Aufgang tangential und beim Niedergang horizontal gestellten Schlagflächen |
| Tech fields | |
| Filing date | 1909-01-31 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 0 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
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| Family year | 1909 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
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Sources
- Lilienthal museum patents
- Inventor location:
