| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Hetherington & Berner | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 186,795 | Jan. 30, 1877 | J.W. Calkins | Improvement in machines for sawing laths | |
 | 335,335 | Feb. 02, 1886 | E.M. Byrkit | Dovetailing-machine | |
 | 335,336 | Feb. 02, 1886 | E.M. Byrkit | Saw-mandrel | |