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| Patents for Charles T. Work | |||||
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| Number | Date | Patentee | Title | Type | |
| 74,982 | Mar. 03, 1868 | R.N. Bruce | Improved Planer Chuck | metal planer chucks | |
| 75,462 | Mar. 10, 1868 | D.C. Robie | Improvement in lathe for turning buttons | wood lathes | |