Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356035 | Steelmaking process | Karl Brotzmann | 1982-10-26 |
| 4315772 | Process for steel production and converter for carrying out the process | Manfred Chitil | 1982-02-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356035 | Steelmaking process | Karl Brotzmann | 1982-10-26 |
| 4315772 | Process for steel production and converter for carrying out the process | Manfred Chitil | 1982-02-16 |