US Patent: 564,442
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| Wrench
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Patentee:
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| Christopher C. Matthews (exact or similar names) - Alexandria, IN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 28, 1895 |
| Granted: |
Jul. 21, 1896 |
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Patent Pictures:
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Christopher C. Matthews patent July 21, 1896 |
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Stan Schulz
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Description: |
| Mutilated threads on the shank engage threads in the movable jaw to hold adjustment and a partial turn of the handle disengages the threads for quick adjustment. |
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