US Patent: 227,768
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| Pipe-Wrench
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Patentee:
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| Griffith W. Griffiths (exact or similar names) - Tecumseh, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 05, 1880 |
| Granted: |
May 18, 1880 |
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Patent Pictures:
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Griffith W. Griffiths patent May 18, 1880 |
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Stan Schulz
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Description: |
| The patent is for the "V" shaped jaw opening together with the teeth-bearing side plates. The specifications claim the spread teeth are less likely to jam or fill with dirt than teeth running the full width of the jaw, and the side plates can be replaced if worn or broken. |
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