US Patent: 332,191
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| Pipe Wrench
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Patentee:
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| Charles L. Dunham (exact or similar names) - Union City, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 31, 1885 |
| Granted: |
Dec. 08, 1885 |
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Patent Pictures:
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Charles L. Dunham patent December 8, 1885 |
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Stan Schulz
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Description: |
| The link sections of the gripping jaw have limited motion; they open far enough to slip around pipe. Teeth on the handle grip teeth on the outer side of the end of the gripping jaw to tighten the grip. |
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