US Patent: 603,530
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| Wrench
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Patentee:
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| Edwin Henwood (exact or similar names) - Hermansville, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 07, 1897 |
| Granted: |
May 03, 1898 |
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Patent Pictures:
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Edwin Henwood patent May 3, 1898 |
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Stan Schulz
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Description: |
| The adjustment means is a cam lever in the movable jaw that combines with an internal ridge on the opposite internal side of the movable jaw to form a pinch hold on the main shank. |
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