US Patent: 426,161
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| Wrench
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Patentee:
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| Charley Calven Augustine (exact or similar names) - Muscatine, IA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 09, 1889 |
| Granted: |
Apr. 22, 1890 |
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Patent Pictures:
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Charley C. Augustine patent April 22, 1890 |
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Stan Schulz
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Description: |
| Interchangeable heads, each capable of fitting several sizes of nuts. The handle must be disassembled to change heads. The spring-loaded lever operates a pin that fits holes in the circumference of the interchangeable heads. Disengaging the pin from the head allows the head to rotate. |
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