Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821791 | Melting furnace for producing strand-cast ingots in a protective gas atmosphere | Hans Aichert, Herbert Stephan, Walter Dietrich, Michael Kiessling | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821791 | Melting furnace for producing strand-cast ingots in a protective gas atmosphere | Hans Aichert, Herbert Stephan, Walter Dietrich, Michael Kiessling | 1989-04-18 |