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| Patents for Nathan M. Mendenhall | |||||
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| Number | Date | Patentee | Title | Type | |
| 144,467 | Nov. 11, 1873 | N.M. Mendenhall | Traction Engines | steam traction engines | |
| RE9,819 | Jul. 26, 1881 | N.M. Mendenhall | Traction Engine | steam traction engines | |