US Patent: 27,622
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| Improved Pipe-Wrench
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Patentee:
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| J. H. Doolittle (exact or similar names) - Ansonia, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Mar. 27, 1860 |
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Patent Pictures:
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J. H. Doolittle patent March 27, 1860 |
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Stan Schulz
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Description: |
| The wrench features a swinging hook jaw pivoting on a movable base. The base has an internal lip which engages one of several notches on the shank. Swinging the hook jaw fully away from the shank frees the base to move to set the size adjustment. |
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