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| Patents for Philo Maltby | |||||
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| Number | Date | Patentee | Title | Type | |
| 18,017 | Aug. 18, 1857 | P. Maltby | Machine for dressing saws | saw sharpening machines | |
| 60,214 | Dec. 04, 1866 | P. Maltby | Mandrel | metal lathe accessories and attachments | |
| 84,954 | Dec. 15, 1868 | P. Maltby | Wrist Pin Turner | wrist pin lathes | |