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| Patents for D. McLaughlin | |||||
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| Number | Date | Patentee | Title | Type | |
| 307,680 | Nov. 04, 1884 | H.M. Perry | Boring-machine | drill presses | |
| 310,321 | Jan. 06, 1885 | A. Rodgers | Edging-cutter | circular ripsaws | |