Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7695634 | Collector for sulfidic ores | Heinrich Hesse, Tobias Rau, Jaime Gomez, Miguel Angel Arends, Norbert Ernstorfer | 2010-04-13 |
| 7553984 | Collector for sulfide ores | Tobias Rau, Heinrich Hesse, Jaime Gomez, Miguel Angel Arends, Norbert Ernstorfer | 2009-06-30 |
| 7104404 | Collecting agent for sulphidic ores, the production and use thereof | Tobias Rau, Heinrich Hesse, Jaime Gomez, Miguel Angel Arends, Norbert Ernstorfer | 2006-09-12 |
| 4552276 | Drinking vessel having a holder | — | 1985-11-12 |