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Patents Granted on 1862-04-22 | |||||
Number | Date | Patentee | Title | Type | |
35,058 | Apr. 22, 1862 | C.S. Brown | Improved portable sawing machine | drag saws | |
35,059 | Apr. 22, 1862 | J.W. Douglas | Double-acting hand pump | household hand pumps | |
35,062 | Apr. 22, 1862 | S. Perry | Tread horse-power | animal powered apparatus | |
35,063 | Apr. 22, 1862 | S. Perry | Improvement in circuit horse-powers | animal powered apparatus |