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| Patents for S. Mahlon Unger | |||||
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| Number | Date | Patentee | Title | Type | |
| 676,007 | Jun. 11, 1901 | W.J. Byers, T.H. Parry | Axle-bending machine | ||
| 732,379 | Jun. 30, 1903 | L. Shireman | Carpenter's Gage | try squares | |
| 737,199 | Aug. 25, 1903 | C.E. Bonner | Wrench | quick adjust wrenches | |