US Patent: 458,796
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Wrench
Improved Monkey-Wrench
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 16, 1891 |
| Granted: |
Sep. 01, 1891 |
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Patent Pictures:
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Edgar Shaw patent September 1, 1891 |
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Stan Schulz
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Description: |
| The patent focuses on the ferule and tang portions of the handle, and related manufacturing steps. The movable jaw, adjusting screw and ferule are positioned on the main bar before the handle portion is forged to its final shape.
Shaw's parallel patent (no. 458,797) describes the process in greater detail. |
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