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| Patents for Francis W. Clough | |||||
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| Number | Date | Patentee | Title | Type | |
| 234,536 | Nov. 16, 1880 | F.W. Clough | Gage Lathe | pattern lathes | |
| 329,721 | Nov. 03, 1885 | F.W. Clough | Gearing | milling machine cutters | |