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| Patents for Michael Cummins | |||||
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| Number | Date | Patentee | Title | Type | |
| 453,736 | Jun. 09, 1891 | M. Cummins | Rod or Pipe Wrench | pipe wrenches | |
| 454,678 | Jun. 23, 1891 | M. Cummins | Wrench | quick adjust wrenches | |