Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7296682 | Process for controlling operation of a flotation cell | Helmuth Gabl, Erwin Hertl | 2007-11-20 |
| 6637686 | Refiner | Peter Antensteiner, Helmuth Gabl, Gerald Schadler | 2003-10-28 |