US Patent: 65,465
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| Improvement in Pipe and Stud-Wrenches
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Patentee:
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| Joshua B. Barnes (exact or similar names) - Fort Wayne, IN |
| USPTO Classifications: |
| 81/99 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 04, 1867 |
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Patent Pictures:
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Joshua B. Barnes patent June 4, 1867 |
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Stan Schulz
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Description: |
| A spring-activated pawl between the movable jaw and a rack on the jaw end of the handle tightens and holds the grip. As a result, the movable jaw is not free to "relax its grip" on reverse movement of the handle. |
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