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| Patents for August G. Hoefer | |||||
| Picture | Number | Date | Patentee | Title | |
| 729,864 | Jun. 02, 1903 | E.A. Hoefer, A.G. Hoefer, F.W. Hoefer | Wire Gaging and Cutting Machine | ||
| 766,883 | Aug. 09, 1904 | F.W. Hoefer, E.A. Hoefer, A.G. Hoefer | Drilling Machine | ||