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| Patents for Prentice Bros. | |||||
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| Number | Date | Patentee | Title | Type | |
| 150,890 | May 12, 1874 | A.B. Prouty | Improvement in metal-drill machines | drill presses | |
| 418,382 | Dec. 31, 1889 | V.F. Prentice | Metal-turning lathe | metal lathes | |
| 418,383 | Dec. 31, 1889 | V.F. Prentice | Drilling-machine | drill presses | |
| 547,588 | Oct. 08, 1895 | V.F. Prentice | Drilling-machine | ||