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| Patents for M. M. Rohrer | |||||
| Number | Date | Patentee | Title | Type | |
| 142,348 | Sep. 02, 1873 | E. Passe | Combination treadle lathe, scroll-saw | scrollsaws | |
| 221,633 | Nov. 11, 1879 | J.H. Vinton | Pipe-Wrench | wrench handle components | |