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| Patents for Hoefer Manufacturing Co. | |||||
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| 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 | E.A. Hoefer, A.G. Hoefer, F.W. Hoefer | Drilling Machine | ||
| 841,396 | Jan. 15, 1907 | F.W. Hoefer | Machine for Threading Pipes | ||
| 955,334 | Apr. 19, 1910 | C.A. Hoefer | Valve Inserting Machine | ||