| US Patent: D20,777 
 | 
| Tool Hammer | 
| 
| Patentee: |  |
 | James F. Shannon (exact or similar names) - Macomb, IL |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
 | 
| Patent Dates: |  
| Applied: | Apr. 27, 1891 |  
| Granted: | May 26, 1891 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | James F. Shannon design patent May 26, 1891 |  Google Patents
 Report data errors or omissions to steward 
                        Stan Schulz
 
 | 
| 
| Description: |  | Depending on the scale, this hammer with a single pointed tip may be intended to drive and remove staples for fence wires.
Term of the patent was seven years. |  |