US Patent: 211,943
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| Improvement in lathe-chucks
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Patentee:
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| William L. Sweetland (exact or similar names) - Windsor Locks, CT |
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Patent Dates:
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| Applied: |
Dec. 21, 1878 |
| Granted: |
Feb. 04, 1879 |
| Reissue Information: |
| Reissued as RE9,734 (May 31, 1881) |
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Jeff Joslin
Vintage Machinery entry for Hoggson & Pettis Mfg. Co.
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Description: |
| At the time the patent was applied for, the inventor was superintendent of chuck maker E. Horton & Son. We do not know why he patented a chuck on his own and then sold the rights to a competitor. |
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