| US Patent: 192,920 
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| Wrench | 
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| Patentee: |  |
 | Benjamin F. Joslyn (exact or similar names) - Worcester, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Aug. 24, 1876 |  
| Granted: | Jul. 10, 1877 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Benjamin F. Joslyn Pat. July 10, 1877 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | This combination screw and quick-adjust nut wrench is described as an improvement on Joslyn's Dec. 7, 1875 patent (no. 170,860). |  |