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| Patents for Smith & Hemenway | |||||
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| Number | Date | Patentee | Title | Type | |
| RE11,459 | Dec. 18, 1894 | G.P. Woelfel | Pipe Wrench | pipe wrenches | |
| 622,190 | Mar. 28, 1899 | C.O. Seavey | Saw-guide for sawing material for forming miter-joints | ||