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| Patents for Mark Laighton | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,235X | Mar. 14, 1810 | M. Laighton | Rollers for sheaves of blocks | ||
| 2,836X | Sep. 01, 1817 | M. Laighton, L.M. Laighton | Pumps | ||