Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698129 | Sliding gate valve for a metallurgical vessel | Werner Keller, Walter Toaldo, Hans Muller, Anton Pfyl | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698129 | Sliding gate valve for a metallurgical vessel | Werner Keller, Walter Toaldo, Hans Muller, Anton Pfyl | 1997-12-16 |