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| Patents for Mary E. Carr | |||||
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| Number | Date | Patentee | Title | Type | |
| 641,182 | Jan. 09, 1900 | F.J. Becker | Can Clamp | jar wrenches | |
| 857,207 | Jun. 18, 1907 | S.C. Schauer | Stop Mechanism for Drill Presses | drill presses | |