| US Patent: 416,792 
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| Pipe Wrench | 
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| Patentee: |  |
 | Joseph A. Maloney (exact or similar names) - Leavenworth, KS |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 13, 1889 |  
| Granted: | Dec. 10, 1889 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Joseph A. Maloney patent December 10, 1889 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Quick adjust pipe tongs; sliding the yoke of the movable jaw along the main shank adjusts the wrench. |  |