Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940923 | Electrodeless low-pressure discharge lamp | Willem Johannes Van Den Bogert | 1990-07-10 |
| 4645468 | Method of removing hydrocarbons from vacuum tubes | — | 1987-02-24 |
| 4645967 | Electrodeless low-pressure gas discharge lamp | Anton J. Bouman, Heiner Kostlin | 1987-02-24 |
| 4588919 | Low-pressure alkali metal vapor discharge lamp with arc tube gettering | Franciscus M. P. Oostvogels | 1986-05-13 |
| 4559471 | Device provided with a evacuated bulb comprising a getter and a getter auxiliary means | — | 1985-12-17 |
| 4455998 | Solar collector | Gijsbert Kuus | 1984-06-26 |