| US Patent: 545,323 
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| Pipe Wrench | 
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| Patentee: |  |
 | John E. Wakefield (exact or similar names) - Worcester, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 01, 1889 |  
| Granted: | Aug. 27, 1895 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | John E. Wakefield patent August 27, 1895 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Compound lever linkage closes the jaws, and also includes a gripping pad which engages rack teeth on the main shank to adjust the size of the jaw opening.  Wrenches marked with Wakefield's June 30, 1891 patent date (no. 454,893) may actually incorporate details included in this patent.. |  |