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