US Patent: 215,128
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Wrench
Improved Pipe-Wrench
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Patentees:
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| John George Johnson (exact or similar names) - Girardville, PA |
| Oliver Golightly Johnson (exact or similar names) - Girardville, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 25, 1878 |
| Granted: |
May 06, 1879 |
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Patent Pictures:
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J. G. Johnson and O. G. Johnson patent May 6, 1879 |
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Stan Schulz
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Description: |
| The linkage brings together two curved-face jaws. The patent is for the loop on the lower jaw that encloses the outer jaw, and the slot in the lower jaw. |
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