| US Patent: 142,771 
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| Manufacture of Wrench Heads Improvement in the Manufacture of Wrench-Heads
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| Patentee: |  |
 | Loring Coes (exact or similar names) - Worcester, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jul. 14, 1873 |  
| Granted: | Sep. 16, 1873 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Loring Coes Wrench Head Manufacture Pat. Sept. 16, 1873 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The patent describes dies and associated processes for forming heads on monkey wrench shanks.  The dies and process are suited either for a drop forge or power press. |  |