| US Patent: 125,695 
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| Improvement in Wrenches | 
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| Patentee: |  |
 | Rufus S. Sanborn (exact or similar names) - Rockford, IL |  
 
| USPTO Classifications: |  | 81/60 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 21, 1872 |  
| Granted: | Apr. 16, 1872 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Rufus S. Sanborn Pat. April 16, 1872 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | A toothed segment serves as the pawl; the spring is a coil spring wrapped around a piece of rubber tubing.  The cylindrical head is hollow. |  |