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| Patents for Aurora Tool Works | |||||
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| Number | Date | Patentee | Title | Type | |
| 503,153 | Aug. 15, 1893 | A.J. Mill | Drill-press | drill presses | |
| 513,128 | Jan. 23, 1894 | A.J. Mill | Radial drill | radial drill presses | |
| 776,710 | Dec. 06, 1904 | A.P. Weigel | Drill-press | drill presses | |
| 1,399,599 | Dec. 06, 1921 | G.K. Atkinson | Drilling-machine | drill presses | |