Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018130 | Low-pressure mercury vapor discharge lamp with amalgam | Antonius Cornelis Van Den Broek, John Elen, Frank Kloek, Heleen Esch, Jaak M. J. Geboers | 2011-09-13 |
| 6538384 | Discharge lamp having discharge space with specific fill concentration | Herman Gielen, Bart Dilissen | 2003-03-25 |
| 5528106 | Electric lamp with H-shaped pinched seal | Johannes Martinus Jansen | 1996-06-18 |