| US Patent: 361,258 
 | 
| Pipe Wrench | 
| 
| Patentee: |  |
 | Samuel J. Benson (exact or similar names) - Washington, DC |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
 | 
| Patent Dates: |  
| Applied: | Jan. 27, 1887 |  
| Granted: | Apr. 19, 1887 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Samuel J. Benson patent April 19, 1887 |  Google Patents
 Report data errors or omissions to steward 
                        Stan Schulz
 
 | 
| 
| Description: |  | Quick adjust with the adjustment held by a spring; the gripping surface on the movable jaw is  positioned by a second spring. |  |