US Patent: 54,040
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Improvement in Wrenches
Double-Jawed Wrench
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Patentee:
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| Thomas Symonds (exact or similar names) - Portland, ME |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 17, 1866 |
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Patent Pictures:
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Thomas Symonds Pat. Apr. 17, 1866 |
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Stan Schulz
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Description: |
| The double jaws of the wrench are sized and shaped so that at a given adjustment the wrench will hold a square nut by the sides or corners. |
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