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| Patents for Prentice Bros. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 340,615 | Apr. 27, 1886 | A.F. Prentice | Drilling-machine | drill presses | |
| 811,317 | Jan. 30, 1906 | A.E. Newton | Drill-press | drill presses | |
| 895,106 | Aug. 04, 1908 | A.E. Newton | Change-speed gearing for engine-lathes | engine lathes | |
| 945,947 | Jan. 11, 1910 | F.K. Hendrickson | Turret-lathe | turret lathes | |
| 1,019,516 | Mar. 05, 1912 | A.E. Newton | Belt-drive | metalworking power transmission | |
| 1,019,639 | Mar. 05, 1912 | F.K. Hendrickson | Belt-tightener for drills | drill presses | |