| US Patent: 174,838 
 | 
| Improvement in joiners clamps | 
| 
| Patentee: |  |
 | Gustav A. Naumann (exact or similar names) - St. Louis, MO |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
 | 
| Patent Dates: |  
| Applied: | Feb. 11, 1876 |  
| Granted: | Mar. 14, 1876 |  USPTO (New site tip)
 Google Patents
 Report data errors or omissions to steward 
                        Carl Matthews
 
 | 
| 
| Description: |  | Improvement on his patent 169,027. Clamp is the "Jorgensen" style, but with a quick-release mechanism. |  |