Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223552 | Device for the controlled cooling of hot-briquetted directly reduced iron sponge | Karl-Heinz Zimmerbauer, Helmut Schober, Franz Hoertnagl | 2001-05-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223552 | Device for the controlled cooling of hot-briquetted directly reduced iron sponge | Karl-Heinz Zimmerbauer, Helmut Schober, Franz Hoertnagl | 2001-05-01 |