US Patent: 551,879
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| Pipe Wrench
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Patentee:
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| Joseph Welfle (exact or similar names) - Hamber, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 30, 1895 |
| Granted: |
Dec. 24, 1895 |
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Patent Pictures:
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Joseph Welfle patent December 24, 1895 |
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Stan Schulz
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Description: |
| Gripping teeth in a pivoting loop engage rack teeth on the back of the movable jaw's shank to hold the adjustment. An end plate on the movable jaw shank prevents the jaw detaching from the wrench. |
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