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| Patents for Charles Laffertey | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,249 | Aug. 21, 1847 | C. Laffertey | Machinery for setting and filing saws | saw sharpening machines | |
| AI85 | Jan. 25, 1848 | C. Laffertey | Sharpening reciprocating saws | saw sharpening machines | |