| US Patent: 450,516 
 | 
| Wrench | 
| 
| Patentee: |  |
 | William O. Lee (exact or similar names) - Detroit, MI |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
 | 
| Patent Dates: |  
| Applied: | Nov. 20, 1890 |  
| Granted: | Apr. 14, 1891 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | William O. Lee patent April 14, 1891 |  Google Patents
 Report data errors or omissions to steward 
                        Stan Schulz
 
 | 
| 
| Description: |  | Two aspects of the wrench are noted in the patent.  
1. The mounting and retaining means for the reversible "fixed jaw."
2. The sliding wedge and spring shifting device to change from screw to quick-adjustment for the movable jaw. |  |