Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665297 | High power electron gun | Siegfried Schiller, Alexander von Ardenne | 1987-05-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665297 | High power electron gun | Siegfried Schiller, Alexander von Ardenne | 1987-05-12 |