US Patent: 180,417
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| Screw-Wrench
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Patentee:
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| Frederick L. Coes (exact or similar names) - Worcester, MA |
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Patent Dates:
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| Applied: |
Jun. 03, 1876 |
| Granted: |
Aug. 01, 1876 |
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Patent Pictures:
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Patent 180,417 - edited image |
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Stan Schulz
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Description: |
| The patent is for the ferule, the tapered nut that attaches the ferule firmly to the shank, and the studs on the ferule to hold the wood handle in place. It appears to be a modification of the structure described in 122,108.
An a 1877 catalog listing shows a "cut-away" view of the internal structure of a COES wrench showing these features. |
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