| US Patent: 613,245 
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| Method of Making Wrenches | 
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| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jan. 17, 1898 |  
| Granted: | Nov. 01, 1898 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Loring Coes and John H. Coes patent November 1, 1898 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The patent describes several steps of a process to firmly attach a ferule to the shank of a Coes wrench by successive heating and forging operations. |  |