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| Patents for Nath. A. Prentiss | |||||
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| Number | Date | Patentee | Title | Type | |
| 65,589 | Jun. 11, 1867 | A.M. Olds | Improvement in Pliers | pliers | |
| 165,152 | Jul. 06, 1875 | C.A. Brown, C.E. Sedore | Improvement in saws | sawblades | |