US Patent: 79,665
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Wrench Improvement in Pipe-Wrenches
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Patentee:
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| John Madden (exact or similar names) - Cleveland, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jul. 07, 1868 |
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Patent Pictures:
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John Madden Pat. July 7, 1868 |
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Stan Schulz
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Description: |
| The patent is for a supplementary pipe jaw that is applied to the outer jaw of a monkey wrench. |
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