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| Patents Granted on 1861-04-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 32,120 | Apr. 23, 1861 | J.L. Clough | Floor-Clamp | floor clamps | |
| 32,125 | Apr. 23, 1861 | E.P. Drake | Boring Wood | wood drilling and boring | |
| 32,131 | Apr. 23, 1861 | C. Greenawalt | Water Wheel | water wheels | |
| 32,137 | Apr. 23, 1861 | D. Mann | Improvement in Rotary Spading-Machines | plows | |