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| Patents for Samuel E. Hildreth | |||||
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| Number | Date | Patentee | Title | Type | |
| 224,534 | Feb. 17, 1880 | S.E. Hildreth | Metal-Planing Machine | metal planers | |
| 426,588 | Apr. 29, 1890 | S.E. Hildreth | Upright drill | drill presses | |