Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4416489 | Chisel for a crust breaking facility | Thomas Haggenmacher, Edwin Gut, Hans R. Friedli | 1983-11-22 |
| 4349231 | Chisel alignment unit for a crust breaking facility | Edwin Gut, Erwin Arnold, Hans R. Friedli | 1982-09-14 |