US Patent: 588,049
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| Wrench
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Patentee:
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| Charles H. Avery (exact or similar names) - Binghamton, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 31, 1896 |
| Granted: |
Aug. 10, 1897 |
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Patent Pictures:
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Charles H. Avery patent August 10, 1897 |
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Stan Schulz
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Description: |
| The adjusting mechanism is a spring-loaded "clutch" piece contained within the movable jaw.
Ken Cope's "American Wrench Makers 1830-1930" notes a "Scientific American" mention of the patent that implies Avery would produce the wrench. |
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