| US Patent: 286,913 
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| Wrench | 
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| Patentee: |  |
 | Robert W. Davis (exact or similar names) - Elmira, NY |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Mar. 24, 1883 |  
| Granted: | Oct. 16, 1883 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Robert W. Davis patent October 16,  1883 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The adjustable jaw has a pivoting gripping block. It is held in engagement by a set screw on the back side of the movable jaw. 
Wrench miniaturist Hilary Klein produced miniature versions of this wrench, based on an example in his collection. |  |