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| Patents for James W. Mahlon | |||||
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| Number | Date | Patentee | Title | Type | |
| 109,747 | Nov. 29, 1870 | J.W. Mahlon | Pipe Vise | pipe and chain vises | |
| 116,847 | Jul. 11, 1871 | J.W. Mahlon | Improvement in ratchet-drills | hand drills | |
| 118,619 | Aug. 29, 1871 | J.W. Mahlon | Improvement in Wrenches | wrenches | |