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| Patents Granted on 1862-05-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 35,288 | May 20, 1862 | S.E. Anthony | Improvement in shingle machines | shingle machines | |
| 35,298 | May 20, 1862 | A. Cahoon, Jr. | Improvement in Combined Spirit-Levels | inclinometers | |
| 35,309 | May 20, 1862 | W.D. Grimshaw | Power Hammer | power hammers | |
| 35,318 | May 20, 1862 | J. Lemman | Improved mortising-machine | mortising machines | |
| 35,332 | May 20, 1862 | J. Sperry | Improvement in veneer-cutting machines | veneer machines | |
| 35,337 | May 20, 1862 | J. Thompson | Screw Driver | screwdrivers | |