Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335870 | Cooling element for use in metallurgical furnaces | Arnulf Diener, Eugen Icking | 1982-06-22 |
| 4327900 | Cooling element for a metallurgical furnace | Arno Engel, Wille Tiedtke | 1982-05-04 |