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| Patents for Bernard Donahue | |||||
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| Number | Date | Patentee | Title | Type | |
| 414,799 | Nov. 12, 1889 | B. Donahue | Pipe and Nut Wrench | pipe and nut combination wrenches | |
| 454,612 | Jun. 23, 1891 | B. Donahue | Wrench | wrench jaw components | |