Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423016 | Process for the production of dry flue gas gypsum | Franz Wirsching, Barbel Limmer | 1983-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423016 | Process for the production of dry flue gas gypsum | Franz Wirsching, Barbel Limmer | 1983-12-27 |