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| Patents Granted on 1863-03-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| CS-157 | Mar. 31, 1863 | W.D. Mason | Water Wheel | water wheels | |
| 38,025 | Mar. 31, 1863 | J. Brinkerhoff | Improved Mode of Hanging Balance-Wheels, &c. | industrial machine mechanisms | |
| 38,060 | Mar. 31, 1863 | W.S. Phelps | Wrist Pin Turner | wrist pin lathes | |
| 38,084 | Mar. 31, 1863 | A.A. Wilder | Improved machine for making hoops | hoop making machines | |
| 38,085 | Mar. 31, 1863 | A.A. Wilder | Machine for pointing and checking hoop-bolts | cooper | |