| US Patent: 554,994 
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| Pipe and Nut Wrench | 
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| Patentees: |  
 | Perry D. Dye (exact or similar names) - Parkersburg, WV |  | William Holmes (exact or similar names) - Parkersburg, WV |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Oct. 25, 1895 |  
| Granted: | Feb. 18, 1896 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Perry D. Dye and William Holmes patent February 18, 1896 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The main feature of the patent is the gripping dog in the movable jaw. The adjusting sleeve has an internal groove corresponding to a threaded rib on the main shank.  When the rib and groove align the movable jaw slides freely. |  |