Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6137236 | Low-pressure discharge lamp and method of manufacturing a low-pressure discharge lamp | Leonardus Gerardus Maria Michiels, Petrus H. Antonis | 2000-10-24 |
| 5912536 | Lighting unit and electrodeless low-pressure discharge lamp and discharge vessel for use in said lighting unit | Leonardus Gerardus Maria Michiels | 1999-06-15 |
| 5434472 | High-pressure sodium discharge lamp with getter | — | 1995-07-18 |
| 4544997 | Low-pressure mercury vapor discharge lamp | Antonius M. J. H. Seuter | 1985-10-01 |
| 4185222 | Luminescent bivalent europium-activated barium borophosphate and discharge lamp containing the same | Antonius M. J. H. Seuter | 1980-01-22 |