US Patent: 122,108
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| Improvement in Wrenches
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Patentee:
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| Aury Gates Coes (exact or similar names) - Worcester, MA |
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Patent Dates:
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| Granted: |
Dec. 26, 1871 |
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Patent Pictures:
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A. G. Coes Pat. Dec. 26, 1871 |
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Stan Schulz
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Description: |
| The patent is for a threaded collar that attaches the ferule to the wrench shank, and "flanges" on the interior of the ferule for the collar to bear on. The "jog" on the back side of the bar shown in the drawings is not mentioned in the specifications. |
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