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| All Patents in class 409/91 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 75,413 | Mar. 10, 1868 | I. Hall | Improvement in machines for carving in wood | |
| 274,391 | Mar. 20, 1883 | M.J. Salm | Engraving Machine | ||
 | 769,931 | Sep. 13, 1904 | G.A. Baghurst | Carving-machine | |