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| Patents for Ruggles, Nourse, Mason & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,993 | Feb. 23, 1841 | E.G. Matthews | Manufacture of plows | plows | |
| 12,935 | May 22, 1855 | F.S. Coburn | Improved Screw-Wrench | screw adjust wrenches | |