| US Patent: 196,401 
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| Pipe-Wrench | 
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| Patentee: |  |
 | John W. Vermillion (exact or similar names) - Elk Ridge Landing, MD |  
 
| USPTO Classifications: |  | 81/95 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 05, 1877 |  
| Granted: | Oct. 23, 1877 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | John W. Vermillion patent October 23, 1877 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | A disk with a toothed or serrated edge is mounted off-center to form an adjustable jaw.  A friction spring helps hold the disk in contact with the work piece. |  |