Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636691 | Arrangement including a metal vapor discharge tube provided with at least two internal electrodes | Rolf De Man, Jan de Ridder, Leo M. Sprengers | 1987-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636691 | Arrangement including a metal vapor discharge tube provided with at least two internal electrodes | Rolf De Man, Jan de Ridder, Leo M. Sprengers | 1987-01-13 |