Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946340 | Process for melting of metal materials in a shaft furnace | Josef Ramthun | 1999-08-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946340 | Process for melting of metal materials in a shaft furnace | Josef Ramthun | 1999-08-31 |