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| Patents for Niles Tool Works Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,434,752 | Nov. 07, 1922 | W.T. Sears | Interlocking mechanism for drilling machines | radial drill presses | |
| 1,466,761 | Sep. 04, 1923 | W.T. Sears | Radial drilling machine | radial drill presses | |