US Patent: 11,308
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| Improved Screw-Wrench
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Patentee:
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| Jabez C. Terry (exact or similar names) - Springfield, MA |
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Patent Dates:
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| Granted: |
Jul. 11, 1854 |
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Patent Pictures:
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Jabez C. Terry patent July 11, 1854 |
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Stan Schulz
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Description: |
| The lower fixed jaw is attached to the handle with straps that pass through the adjusting screw. The outer adjustable jaw has a hollow center to control heat flow during the annealing stage of manufacture. According to Ken Cope's "American Wrench Makers 1830-1930," Terry manufactured this wrench. |
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