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| Patents for Gustavus Ames | |||||
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| Number | Date | Patentee | Title | Type | |
| 130,361 | Aug. 13, 1872 | G. Ames, W.T. Nicholson, S.B. Dean | Improvement in Machines for Cutting Teeth on Cylinders | file cutting machines | |
| 140,390 | Jul. 01, 1873 | L.W. Stuart | Improvement in Process of Hardening Edge Tools | ||
| 148,161 | Mar. 03, 1874 | G. Ames | Improvement in machines for removing bark from logs of wood | debarking machines | |