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| Patents Granted on 1855-01-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 12,285 | Jan. 23, 1855 | E.K. Root | Rifling Machine | rifling machines | |
| 12,287 | Jan. 23, 1855 | R.P. Benton | Improvement in feeding mortising-machines | mortising machines | |
| 12,289 | Jan. 23, 1855 | A.W. Streeter | Centre-fastening bit | brace chucks | |
| 12,297 | Jan. 23, 1855 | L. Thomas, J. Thomas | Match-machine | match making machines | |
| 12,317 | Jan. 23, 1855 | B. Holly, W. Race | Carriage-wheel | carriage wheels | |