US Patent: 132,516
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| Improvement in Socket Wrenches
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Patentees:
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| John T. Arnold (exact or similar names) - Warwick, RI |
| Wilson D. Wilcox (exact or similar names) - Warwick, RI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Oct. 29, 1872 |
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Patent Pictures:
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J.T. Arnold and W.D. Wilcox Pat. Oct. 29, 1872 |
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Stan Schulz
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Description: |
| The specifications describe two alternate methods of forming an adjustable square socket "bit brace wrench." The patent drawing includes a third "two-jawed" variant which is not mentioned in the specifications, and has been omitted from the image shown here. |
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