Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146133 | Process for the recycling of residues for the production of portland cement clinker | Helmut Erhard, Volker Schneider | 2000-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146133 | Process for the recycling of residues for the production of portland cement clinker | Helmut Erhard, Volker Schneider | 2000-11-14 |