| US Patent: 203,470 
 | 
| Improvement in sleigh-knees | 
| 
| Patentees: |  
 | Frederick D. Livermore (exact or similar names) - Rochester, MN |  | Frank Larson (exact or similar names) - Rochester, MN |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
 | 
| Patent Dates: |  
| Applied: | Jan. 19, 1878 |  
| Granted: | May 07, 1878 |  USPTO (New site tip)
 Google Patents
 Report data errors or omissions to steward 
                        Jeff Joslin
 Vintage Machinery entry for Rochester Iron Works
 
 | 
| 
| Description: |  | Co-inventor F. D. Livermore was owner-operator of the Rochester Iron Works. We do not know if they manufactured this invention. |  |