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| Patents Granted on 1863-04-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 38,273 | Apr. 28, 1863 | N. Allen | Improvement in Vises | vises | |
| 38,296 | Apr. 28, 1863 | D. Drawbaugh | Improvement in millstones | ||
| 38,316 | Apr. 28, 1863 | A.Y. McDonald | Improvement in Screw-Wrenches | nut wrenches | |
| 38,320 | Apr. 28, 1863 | C.A. Mills | Coffee Roaster | coffee roasters | |
| 38,329 | Apr. 28, 1863 | S.J. Parker | Improvement in shingle-machines | shingle machines | |
| 38,338 | Apr. 28, 1863 | T.D. Roberts | Improvement in Hand Saws | ||
| 38,351 | Apr. 28, 1863 | E. Whittemore | Saw Buck | ||