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| Patents for Margaret L. Mullaly | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,187,920 | Jun. 20, 1916 | F. Müller | Chuck | metal lathe chucks | |
| 1,194,864 | Aug. 15, 1916 | F. Müller | Machine for making twist drills | metal lathes | |