US Patent: 179,628
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| Wrench
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Patentee:
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| James E. Underwood (exact or similar names) - Brooklyn, NY |
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Patent Dates:
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| Applied: |
May 31, 1876 |
| Granted: |
Jul. 04, 1876 |
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Patent Pictures:
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1 | 2
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James E. Underwood Pat. July 4, 1876 |
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Stan Schulz
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Description: |
| A thumb screw provides the size adjustment for this bit-brace socket wrench.
A correspondent noted this was produced as an adjustable jaw brace wrench, most likely by Underwood, and provided photos. |
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