| US Patent: 604,753 
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| Wrench | 
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| Patentee: |  |
 | George W. Henning (exact or similar names) - Mount Holly, OH |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 05, 1897 |  
| Granted: | May 31, 1898 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | George W. Henning patent May 31, 1898 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The movable jaw is opened by a spring, and closed by the wedging action of the hinged side pieces in the handle. |  |