| US Patent: 87,547 
 | 
| Wrench Improvement in the Construction of Monkey-Wrenches
 | 
| 
| Patentee: |  |
 | Loring Coes (exact or similar names) - Worcester, MA |  
 
 
 
 
 
 | 
| Patent Dates: |  
| Applied: | Feb. 04, 1869 |  
| Granted: | Mar. 09, 1869 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Loring Coes Pat. Mar. 9, 1869 |  Google Patents
 Report data errors or omissions to steward 
                        Stan Schulz
 
 | 
| 
| Description: |  | "The object of my invention is to enable the lower bearing of the screw of the movable jaw to be secured to the shank of the fixed jaw at a small cost and efficiently." -- from the specifications. The ferule has an internal projection which engages a notch in the shank, inside the wood handle. |  |