US Patent: 582,341
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| Wrench
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Patentee:
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| Peter H. Campbell (exact or similar names) - Cincinnati, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 16, 1896 |
| Granted: |
May 11, 1897 |
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Patent Pictures:
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Peter H. Campbell patent May 11, 1897 |
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Stan Schulz
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Description: |
| The wrench has an eccentric circular toothed gripping member mounted on a stud between two notched fixed jaws. This provides for a range of sizes, for gripping pipe or other round work pieces, as well as nuts and bolts. |
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