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| Patents for Trahern Pump Company | |||||
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| Number | Date | Patentee | Title | Type | |
| 501,177 | Jul. 11, 1893 | J.J. Wulff | Wrench and Rod Vise | wrenches | |
| D27,824 | Nov. 09, 1897 | O.P. Trahern | Pump Wrench | auxiliary wrenches | |