US Patent: 65,422
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| Improved centring and squaring chucks
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Patentee:
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| Gardner R. Parker (exact or similar names) - Worcester, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 04, 1867 |
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Jeff Joslin
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Description: |
| Improvements to patent 31,257, issued to N. F. Newell on 1861-01-29. The assignee partnership, Dodge & Wellington, was a wrench manufacturer. An ad in the 1867-10-26 Scientific American says that Dodge & Wellington were "sold proprietors and manufacturers" of "Jillson's patent animal trap", but we could not find any evidence that they manufactured this chuck. |
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