US Patent: 261,217
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| Pipe Wrench
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Patentee:
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| Albert F. Fifield (exact or similar names) - Farmington, NH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 29, 1882 |
| Granted: |
Jul. 18, 1882 |
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Patent Pictures:
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Albert F. Fifield patent July 18, 1882 |
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Stan Schulz
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Description: |
| The specifications describe this as an improvement to the A. G. Coes June 1,1858 patent no. 20,407. The two patents have a screw ring adjustment for the movable jaw. In this patent, both jaws have pipe gripping surfaces and directly face each other. The secondary handle has a cam lobe that tightens the jaw's grip. |
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