US Patent: 299,165
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| Wrench
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Patentee:
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| Squire Robinson (exact or similar names) - Southington, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 29, 1883 |
| Granted: |
May 27, 1884 |
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Patent Pictures:
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Squire Robinson patent May 27, 1884 |
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Stan Schulz
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Description: |
| The main feature of the patent is the integrated ferule, step, and shoulder. This part reappears in Robinson's June 16, 1885 patent (no. 320,172). |
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