US Patent: 253,581
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| Vise
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Patentee:
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| Calvin L. Butler (exact or similar names) - Greenfield, MA |
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Patent Dates:
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| Applied: |
Dec. 22, 1881 |
| Granted: |
Feb. 14, 1882 |
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Patent Pictures:
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Carl Matthews
"Vintage Machinery" entry for Butler Chuck Co.
Scientific American article on this vise
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Description: |
| An example of this patent hand vise turned up in a Martin Donnelly auction. As seen in the photo, the vise is marked only with the patent date. The inventor would, much later, establish the Butler Chuck Co. |
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