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| Patents for David Wilkinson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 220X | Dec. 14, 1798 | D. Wilkinson | Machine for cutting screws | |
| 4,282X | Dec. 08, 1825 | D. Wilkinson | Press for packing cotton | ||
| 9,040X | Aug. 17, 1835 | D. Wilkinson | Gates for canal locks | ||
| 9,660X | May 14, 1836 | D. Wilkinson | Canal lock | ||