US Patent: 341,815
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| Pipe Wrench
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Patentee:
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| Henry Newton (exact or similar names) - Providence, RI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 24, 1885 |
| Granted: |
May 11, 1886 |
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Patent Pictures:
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Henry Newton patent May 11, 1886 |
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Stan Schulz
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Description: |
| A hook-jaw self-adjusting pipe wrench. The patent covers the spring closing the hook jaw, and the replaceable interchangeable toothed piece for the gripping surface of the fixed jaw. |
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