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| Patents for Spencer E. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 321,762 | Jul. 07, 1885 | S.E. Smith, D.C. Smith | Lathe for turning polygonal forms | wood lathes | |
| 321,763 | Jul. 07, 1885 | S.E. Smith, D.C. Smith | Wood-turning lathe | wood lathes | |