US Patent: 473,007
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| Wrench
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Patentee:
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| Charles Leach (exact or similar names) - McCook, NE |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 06, 1891 |
| Granted: |
Apr. 19, 1892 |
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Patent Pictures:
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Charles Leach patent April 19, 1892 |
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Stan Schulz
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Description: |
| Adjustable alligator wrench. A threaded rod extending through the handle advances and retracts the hinged jaws. A spring forces the jaws against bearing surfaces in the flared end of the conical handle. |
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