Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699361 | Shaft furnace arrangement for the direct reduction of iron ores | Wilfried Pirklbauer | 1987-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699361 | Shaft furnace arrangement for the direct reduction of iron ores | Wilfried Pirklbauer | 1987-10-13 |