US Patent: 504,305
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| Wrench
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Patentee:
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| William C. Lawrence (exact or similar names) - Casselton, ND |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 01, 1893 |
| Granted: |
Aug. 29, 1893 |
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Patent Pictures:
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William C. Lawrence patent August 29, 1893 |
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Stan Schulz
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Description: |
| Hook jaw pipe wrench with the hook attached to a threaded shank to facilitate size adjustment. In use, the hook jaw is slipped over a pipe, and the body bar rotated to screw in or out to effect the size adjustment. |
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