| US Patent: 249,968 
 | 
| Pipe Wrench | 
| 
| Patentee: |  |
 | Timothy D. Mernan (exact or similar names) - Buffalo, NY |  
 
| USPTO Classifications: |  | 81/68 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
 | 
| Patent Dates: |  
| Applied: | Oct. 07, 1881 |  
| Granted: | Nov. 22, 1881 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Timothy D. Mernan patent November 22, 1881 |  Google Patents
 Report data errors or omissions to steward 
                        Stan Schulz
 
 | 
| 
| Description: |  | The chain is not firmly attached to the handle. It passes through a "cross-shaped" hole in the handle, and is connected by a hook.
Corresponding Canadian patent CA-13,998 was granted Jan. 16, 1882. |  |