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| Patents for R. K. Evans | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 177,884 | May 23, 1876 | S.W. Putnam, Jr. | Improvement in metal-turning lathes | |
 | 181,345 | Aug. 22, 1876 | C.H. Hutchinson | Improvement in Carpenter's Gages | |
 | 210,746 | Dec. 10, 1878 | W.S. Brewster | Method of Attaching Seals to Cars | |
 | 239,198 | Mar. 22, 1881 | G.F. Simonds | Saw-Swage | |
 | 239,863 | Apr. 05, 1881 | A.A. Marshall, D. Simonds, G.F. Simonds | Method of Adjustment of the Tension of Circular Saws | |