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| Patents for Mahlon E. Layne | |||||
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| Number | Date | Patentee | Title | Type | |
| 889,245 | Jun. 02, 1908 | S.N. Hall, M.E. Layne | Wrench | chain and strap wrenches | |
| 889,246 | Jun. 02, 1908 | S.N. Hall, M.E. Layne | Wrench | chain and strap wrenches | |
| 900,861 | Oct. 13, 1908 | S.N. Hall, M.E. Layne | Wrench | chain and strap wrenches | |