US Patent: 65,550
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| Improvement in Wrenches
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Patentee:
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| William P. Dunlap (exact or similar names) - Maquoketa, IA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 11, 1867 |
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Patent Pictures:
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William P. Dunlap Pat. June 11. 1867 |
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Stan Schulz
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Description: |
| The patent is for a rotating socket head on an extended "T" shank. Half the sockets are "angled." The emphasis is reaching into hard to reach areas such as the interior of threshing machine cylinders. The specifications also note an intention to produce interchangeable heads to accomodate a range of sizes. |
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