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| Patents for George A. Ohl | |||||
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| Number | Date | Patentee | Title | Type | |
| 184,419 | Nov. 14, 1876 | G.A. Ohl | Metal-Shaping Machine | metal shapers | |
| 531,283 | Dec. 18, 1894 | W.T. Vale, G.A. Ohl | Barrel machine | cooper | |