| US Patent: 540,409 
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| Pipe Wrench | 
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| Patentee: |  |
 | Edward J. Stone (exact or similar names) - Waverly, PA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 07, 1895 |  
| Granted: | Jun. 04, 1895 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Edward J. Stone patent June 4, 1895 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Adjustable tongs type; the lever handle has gear teeth that engage rack teeth on the back of the movable jaw.  The relative location of the point of engagement changes with the distance between the gripping jaws.  A spring holds the lever handle in contact with the movable jaw. |  |