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| Patents for May E. Kott | |||||
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| Number | Date | Patentee | Title | Type | |
| 783,382 | Feb. 21, 1905 | E. McCoy | Journal Lubricator | steam engine lubricators | |
| 833,516 | Oct. 16, 1906 | M.G. Ewer | Pipe Wrench | pipe wrenches | |