| US Patent: 32,106 
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| Improvement in Wrenches | 
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| Patentee: |  |
 | George W. Martin (exact or similar names) - Morrisania, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 14, 1861 |  
| Granted: | Apr. 16, 1861 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | George W. Martin  Feb. 14, 1861 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The movable jaw slides on the shank, and the adjustment is held by the rocking cam action of the jaw. |  |