US Patent: 442,479
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| Combined Clevis and Wrench-Bolt
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Patentee:
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| George Evans (exact or similar names) - Clarksdale, MS |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 22, 1890 |
| Granted: |
Dec. 09, 1890 |
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Patent Pictures:
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George Evans patent December 9, 1890 |
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Stan Schulz
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Description: |
| The wrench jaws have a spring between them, and a butterfly bolt to close them. The jaws may be roughened to grip pipe.
The majority of the specification deals with the clevis. |
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