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| Patents for L. M. Rumsey | |||||
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| Number | Date | Patentee | Title | Type | |
| 90,786 | Jun. 01, 1869 | W.P. Smith, L.M. Rumsey | Improvement in pipe-driver | ||
| 90,787 | Jun. 01, 1869 | W.P. Smith, L.M. Rumsey | Improved drill for rock and earth with attached tube | ||