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Patents for George A. Ohl | |||||
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 |