Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952841 | High-pressure discharge lamp with improved electrodes | Wilhelmus C. der Kinderen, deceased, Friedrich J. de Haan, administrator | 1990-08-28 |
| 4479071 | High-pressure discharge lamp having shielding means comprised of boron nitride | Germain R. T'Jampens | 1984-10-23 |