US Patent: 542,938
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Wrench Improvements in Pipe Wrenches
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Patentee:
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| Harry McElroy (exact or similar names) - Palestine, TX |
| USPTO Classifications: |
| 81/93 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 30, 1895 |
| Granted: |
Jul. 16, 1895 |
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Patent Pictures:
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Harry McElroy patent July 16, 1895 |
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Stan Schulz
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Description: |
| A spring between the movable jaw and shank provides the "wiggle" necessary to keep the jaws from locking on pipe.
The adjusting nut is held firmly against the ferule by a retainer. |
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