Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701022 | Semiconductor memory device with trench capacitor | Walter Kellner, Wolfgang Muller, Franz-Xaver Stelz | 1997-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701022 | Semiconductor memory device with trench capacitor | Walter Kellner, Wolfgang Muller, Franz-Xaver Stelz | 1997-12-23 |