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| Patents for Malcolm G. Ewer | |||||
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| Number | Date | Patentee | Title | Type | |
| 833,516 | Oct. 16, 1906 | M.G. Ewer | Pipe Wrench | pipe wrenches | |
| 967,355 | Aug. 16, 1910 | M.G. Ewer | Wrench | quick adjust wrenches | |