| US Patent: 398,118 
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| Pipe Wrench | 
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| Patentee: |  |
 | Martin V. Barton (exact or similar names) - Bath, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Sep. 05, 1888 |  
| Granted: | Feb. 19, 1889 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Martin V. Barton patent February 19, 1889 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The size is adjusted by having several sizes of interchangeable "hook" jaws.  Double cams on the lever handle swing both jaws to close them. |  |