Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322654 | High-pressure sodium vapor discharge lamp | Peter A. W. Tielemans | 1982-03-30 |
| 4314175 | Method vapor discharge lamp having specific range of xenon pressures | Johannes A. T. Schellen, Gijsbert Kuus | 1982-02-02 |