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| Patents for Alexander Hays | |||||
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| Number | Date | Patentee | Title | Type | |
| 42,203 | Apr. 05, 1864 | R.H. Lecky | Traction Wheel | steam carriages | |
| 52,900 | Feb. 27, 1866 | F. Smith | Improvement in lathes for turning ovals | wood lathes | |