Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6307604 | Light source having a luminescent layer | Rifat A. M. Hikmet, Ralf Raue | 2001-10-23 |
| 5089883 | Color television projection device with cathodoluminescent light sources | Thomas Zaengel | 1992-02-18 |
| 4982362 | Electron-beam recording medium | Albert Comberg | 1991-01-01 |
| 4559469 | Green emitting phosphor and cathode-ray tube provided with such a phosphor | Klaus Carl, Wolfram Czarnojan | 1985-12-17 |