US Patent: 602,229
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| Pipe Wrench
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Patentees:
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| Thomas M. Righter (exact or similar names) - Mount Carmel, PA |
| George Jeffryes (exact or similar names) - Mount Carmel, PA |
| USPTO Classifications: |
| 81/69 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 13, 1897 |
| Granted: |
Apr. 12, 1898 |
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Patent Pictures:
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Thomas M. Righter and George Jeffryes patent April 12, 1898 |
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Stan Schulz
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Description: |
| The axis of rotation for the jaws is off-center. The jaws rotate in relation to the handle, and have slots across from each of the toothed grips.
To operate, the head is rotated to the position where the chain will properly grip, and the pins on the chain are slid into the slots. |
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