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