Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649523 | Process and apparatus for roasting of metal sulfide concentrates and/or residues | Jochen Güntner, Jörg Hammerschmidt | 2023-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649523 | Process and apparatus for roasting of metal sulfide concentrates and/or residues | Jochen Güntner, Jörg Hammerschmidt | 2023-05-16 |