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| Patents for Alfred Thomas | |||||
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| Number | Date | Patentee | Title | Type | |
| 36,729 | Oct. 21, 1862 | J. Richards | Improvement in lubricators for scrollsaw stocks | scrollsaws | |
| 53,058 | Mar. 06, 1866 | A. Thomas | Improved device for securing the tail-stock of lathes | wood lathes | |
| 70,483 | Nov. 05, 1867 | A. Thomas | Lathe Way Smoother | surface grinders | |