US Patent: 323,017
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| Pipe and Monkey Wrench
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Patentee:
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| George S. Armstrong (exact or similar names) - Denver, CO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 25, 1884 |
| Granted: |
Jul. 28, 1885 |
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Patent Pictures:
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George S. Armstrong patent July 28, 1885 |
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Stan Schulz
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Description: |
| A spring on the sliding jaw holds the gripping face, and the adjustable toothed piece. The toothed piece can be loosened to re-set the size. The cam lever handle provides the final tightening. |
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