Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303905 | Refractory ceramic stopper, apparatus for support thereof, and assembly thereof | Siegfried Pohl, Dirk Masurat, Ernst Luhrsen | 1994-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303905 | Refractory ceramic stopper, apparatus for support thereof, and assembly thereof | Siegfried Pohl, Dirk Masurat, Ernst Luhrsen | 1994-04-19 |