Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669510 | Method and device for selecting low-pressure murcury discharge lamps | Johannes T. W. De Hair, Lukas Kastelein, Henricus C. G. Verhaar | 1997-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669510 | Method and device for selecting low-pressure murcury discharge lamps | Johannes T. W. De Hair, Lukas Kastelein, Henricus C. G. Verhaar | 1997-09-23 |