Patent DE-1905-175477
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- Inventor location: Berlin
Sources
Year filed | |
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Year granted | 1905 |
Office | DE |
Patent number | 175477 |
Inventors | J. Hofmann |
Inventor country | DE |
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Applicant type | |
Applicant is inventor? | 1 |
Original title | Verbesserung der Schraubenpropeller nach Patent Nr. 141656 |
English title | Improvement of screw propellers according to patent No. 141656 |
Tech fields | |
Filing date | 1905-06-05 |
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Granted? | 1 |
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Supplementary to patent | Patent DE-1902-141656 |
Related to aircraft? | Yes |
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IPCs | |
CPCs | CPC B64C11/006 |
Family year | 1905 |
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Cites these patents | |
Citations from after 1930 | |
Application ID | 9643252 |
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