US Patent: 217,117
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| Wrench
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Patentee:
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| William B. Killough (exact or similar names) - Larissa, TX |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 08, 1879 |
| Granted: |
Jul. 01, 1879 |
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Patent Pictures:
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William B. Killough patent July 1, 1879 |
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Stan Schulz
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Description: |
| The wrench features a screw-adjust jaw that incorporates a cam-lever to tighten and relax the grip of the pipe jaws. The "v" shaped jaw tips are to grasp bolts (for example carriage bolts) that are loose in their holes, to hold them so the nuts can be tightened or loosened. |
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