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| Patents for Don M. Osborne | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,071,539 | Aug. 26, 1913 | A.P. Weigel | Feed mechanism for drill-presses | drill presses | |
| 1,101,597 | Jun. 30, 1914 | A.P. Weigel | Speed-gearing | drill presses | |