US Patent: 218,639
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| Pipe-Wrenches
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Patentee:
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| Wilson Newcomb (exact or similar names) - Baltimore, MD |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 04, 1878 |
| Granted: |
Aug. 19, 1879 |
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Patent Pictures:
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Wilson Newcomb patent August 19, 1879 |
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Stan Schulz
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Description: |
| This self-adjusting design has a loose link preventing separation of the two jaws, and solid pivots at the base of the two jaws. The location of the gripping surfaces is slightly different than in other wrench designs of this type.
For comparison, look at pat. no. 215,128. |
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