US Patent: 328,601
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| Pipe Wrench
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Patentee:
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| George F. Newell (exact or similar names) - Boston, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 13, 1884 |
| Granted: |
Oct. 20, 1885 |
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Patent Pictures:
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George F. Newell patent October 30, 1885 |
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Stan Schulz
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Description: |
| The set screw adjusts the size of the opening between the jaws, and the lip on the longer jaw transmits extra biting force as force on the handle is increased. |
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