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| Patents for Albert Hamlin | |||||
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| Number | Date | Patentee | Title | Type | |
| 107,363 | Sep. 13, 1870 | A. Hamlin | Improved trip motion for presses, &c. | punch presses | |
| 110,455 | Dec. 27, 1870 | A. Hamlin | Improved power-press | stamping presses | |