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| Patents for Samuel C. Mills | |||||
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| Number | Date | Patentee | Title | Type | |
| 112,254 | Feb. 28, 1871 | S. Ingersoll | Improvement in rock-drills | mining apparatus | |
| 157,989 | Dec. 22, 1874 | W.W. Duffield | Improvement in sawing-machines | reciprocating saws | |