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| Patents Granted on 1861-02-12 | |||||
| Number | Date | Patentee | Title | Type | |
| 31,368 | Feb. 12, 1861 | W.P. Bensel, D.R. Bowker | Machine for chiming and jointing staves | cooper | |
| 31,422 | Feb. 12, 1861 | C.M. Wilkins | Upsetting tires | tire shrinkers | |