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| Patents for A. H. Southwell | |||||
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| Number | Date | Patentee | Title | Type | |
| 432,682 | Jul. 22, 1890 | T.S. Wilkin | Band-saw mill | band sawmills | |
| 490,463 | Jan. 24, 1893 | T.S. Wilkin | Sawmill-setworks | sawmill set works | |