Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978107 | Apparatus for producing foamed blast furnace slag | Anton Hulek, Werner Koller | 1990-12-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978107 | Apparatus for producing foamed blast furnace slag | Anton Hulek, Werner Koller | 1990-12-18 |