Patent US-1852-9012
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This patent identified because google patents said it was related to another patent, on propellers.
Sources
- Patent document and bibliographic info on espacenet
- Patent at google patents
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Year granted | 1852 |
Office | US |
Patent number | 9012 |
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Original title | Improved valve or gate for oblique-float paddle-wheels |
English title | Improved valve or gate for oblique-float paddle-wheels |
Tech fields | valve, paddle-wheels |
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Grant date | 1852-06-15 |
Granted? | 1 |
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