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 |
Patent Pictures:
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Charles H. Avery patent August 10, 1897 |
USPTO (New site tip) Google Patents
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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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