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| All Patents in class 76/24.5 | |||||
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| Number | Date | Patentee | Title | Type | |
| 27,046 | Feb. 07, 1860 | W.B. Gillett | Improvement in Methods of sharpening Files, etc. | files | |
| 43,658 | Jul. 26, 1864 | C.A. Clavel | Improved Mode of Hardening and Repairing Files and Rasps | files | |
| 91,271 | Jun. 15, 1869 | X. Robert | Recutting Files | files | |