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Patents for Ruggles, Nourse, Mason & Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,836Oct. 22, 1840E.G. MatthewsMachine for hewing plow-beams, carriage-shafts, cross-bars, and other timbersmolders
1,993Feb. 23, 1841E.G. MatthewsManufacture of plowsplows
12,935May 22, 1855F.S. CoburnImproved Screw-Wrenchscrew adjust wrenches
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