US Patent: 18,909
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| Screw-cutting machine
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Patentee:
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| William Kenyon (exact or similar names) - Steubenville, OH |
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Patent Dates:
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| Granted: |
Dec. 22, 1857 |
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Jeff Joslin
Vintage Machinery entry for Jefferson Machine Works
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Description: |
| The inventor was the proprietor of the Jefferson Machine Works. An 1870 ad for that firm lists "Patent Bolt & Nut Machines" among their products. See also patent 8,427, which was granted to the same inventor but not, so far as we know, used by Jefferson Machine Works. |
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