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| Patents for Alex Mahon | |||||
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| Picture | Number | Date | Patentee | Title | |
| 77,494 | May 05, 1868 | M. Jones | Corn Husker, Sheller, etc | ||
 | 114,085 | Apr. 25, 1871 | I. Almy, S.A. Drake | Improvement in Plane-Irons | |
 | 128,417 | Jun. 25, 1872 | R. Nichol | Improvement in Combined Rules and Dividers | |
| 144,214 | Nov. 04, 1873 | T.O. Mills | Gear Cutting Attachments to Lathes | ||
 | 289,019 | Nov. 27, 1883 | L.H. Nash | Gas Engine | |
 | 504,041 | Aug. 29, 1893 | S.E. Kern | Wrench | |