Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7006150 | Interface module for TV sets | Hendricus Van Der Wijst, Ernst Bressau, Henk Leeflang | 2006-02-28 |
| 4473175 | Device for accurately controlled feeding of a fine-grained, free-running particulate material | Josef Zengaffinen | 1984-09-25 |
| 4380492 | Method of using a chisel for a crust breaking facility | Edwin Gut, Hans R. Friedli | 1983-04-19 |
| 4349231 | Chisel alignment unit for a crust breaking facility | Edwin Gut, Gottfried Maugweiler, Hans R. Friedli | 1982-09-14 |
| 4332660 | Storage bunker device for feeding electrolytic cell | Hans R. Friedli | 1982-06-01 |
| 4317595 | Chisel for a crust breaking facility | Edwin Gut, Hans R. Friedli | 1982-03-02 |