| US Patent: 131,828 
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| Improvement in Rotary-Wrenches | 
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| Patentee: |  |
 | Almon Pitcher (exact or similar names) - Freedom, MN |  
 
| USPTO Classifications: |  | 81/62 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Oct. 01, 1872 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Almon Pitcher Pat. Oct. 1, 1872 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The head has adjustable jaws. The wrench is a reversible ratchet. |  |