| US Patent: 1,353,246 
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| Pipe Wrench | 
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| Patentee: |  |
 | Arthur Wellington Kiefer (exact or similar names) - Chicago, IL |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jan. 05, 1920 |  
| Granted: | Sep. 21, 1920 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Arthur W. Kiefer patent Sept. 21. 1920 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Quick adjust pipe wrench; gripping teeth on the rocking yoke and fixed jaw hold the adjustment.  Improved by patent no. 1,380,566. |  |