Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357160 | Process for improving the use of heat in steel production from solid iron material | Karl Brotzmann | 1982-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357160 | Process for improving the use of heat in steel production from solid iron material | Karl Brotzmann | 1982-11-02 |