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| Patents for A. Steinwehr | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,039 | Jan. 16, 1849 | H. Knowles | Bearing for upright shafts | industrial machine bearings | |
| 6,294 | Apr. 10, 1849 | H. Knowles | Planing-machine | wood planers | |
| 6,443 | May 08, 1849 | H. Law | Machinery for dressing staves | cooper | |