| US Patent: 351,656 
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| Wrench | 
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| Patentee: |  |
 | Frank C. Sawhill (exact or similar names) - Midway, PA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Aug. 13, 1886 |  
| Granted: | Oct. 26, 1886 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Frank C. Sawhill patent October 26, 1886 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The patented features include the swing-down pipe gripping jaw, and the pivots in the shank and lever handle which act together to move the sliding jaw.
Improved by pat. no. 360,731. |  |