Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916357 | Method for introducing a granular ore into a roasting kiln | Horst Zingrebe, Hubert Vollmer | 2005-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916357 | Method for introducing a granular ore into a roasting kiln | Horst Zingrebe, Hubert Vollmer | 2005-07-12 |