US Patent: 253,089
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| Wrench
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Patentee:
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| William O'Connell, Jr. (exact or similar names) - Pittsfield, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 13, 1881 |
| Granted: |
Jan. 31, 1882 |
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Patent Pictures:
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William O*Connell Jr. patent January 31, 1882 |
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Stan Schulz
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Description: |
| This self-adjusting pipe wrench has several notches in the shank that allows for a wide range of sizes. The spring that closes the jaws is fastened to the swinging jaw and slides on the back side of the shank. |
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