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