US Patent: 2,165
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| Improvement in Key-Wrenches
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Patentee:
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| James Brett (exact or similar names) - Newburgh, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 14, 1841 |
| Granted: |
Jul. 10, 1841 |
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Patent Pictures:
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James Brett patent July 10, 1841 |
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Stan Schulz
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Description: |
| This wedge-key adjustable wrench has teeth cut on the inside of the movable jaw and matching teeth on the wrench shank. These teeth are the only patented feature. |
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