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| Patents Granted on 1861-01-01 | |||||
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| Number | Date | Patentee | Title | Type | |
| 31,006 | Jan. 01, 1861 | E. Briggs | Feeding mechanism for spoke-machines | pattern lathes | |
| 31,026 | Jan. 01, 1861 | A.G. Mack | Machine for setting up barrels | barrel making machines | |
| 31,034 | Jan. 01, 1861 | E. Ripley | Improvements in Wrenches for Turning Pipes, Round Bolts, and Similar Articles | pipe wrenches | |
| 31,070 | Jan. 01, 1861 | G. Williamson | Veneer-planer | veneer machines | |