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| Patents for Harris C. Hortwell | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 150,970 | May 19, 1874 | R. Munroe | Improvement in miter-boxes | |
 | 237,617 | Feb. 08, 1881 | G.F. Simonds, D. Simonds, A.A. Marshall | Circular saw | |
 | 238,062 | Feb. 22, 1881 | G.F. Simonds | Saw-Swage | |