Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696426 | Lighting unit, electrodeless low-pressure discharge lamp, and discharge vessel | Pieter Postma | 1997-12-09 |
| 5694000 | Electrodeless low-pressure discharge lamp, and lighting unit provided with such a lamp | Klaas Vegter | 1997-12-02 |
| 5621280 | Illumination unit, and electrodeless low-pressure discharge lamp and coil suitable for use therein | Jacob Schlejen, Leonardus U. E. Konings | 1997-04-15 |