US Patent: 55,109
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| Improvement in Screw-Wrenches
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Patentee:
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| Joel C. Jackson (exact or similar names) - Rochester, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 31, 1866 |
| Granted: |
May 29, 1866 |
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Patent Pictures:
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J. C. Jackson Pat. May 29, 1866 |
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Stan Schulz
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Description: |
| A rotating adjusting nut engages threads on an extension of the moveable jaw. The threaded portion of the movable jaw slides in a recess in the shank. |
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