Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8829551 | TL retrofit LED module inside sealed glass tube | Rifat Ata Mustafa Hikmet, Jan Cornelis Kriege, Johannes Franciscus Maria Cillessen, Rene Theodorus Wegh, Pieter Joseph Clara Van Der Wel | 2014-09-09 |
| 6373198 | Induction lamp system and induction lamp | Johannes Wilhelmus Gielen, Herman Gielen | 2002-04-16 |
| 6304030 | Low-pressure mercury vapor discharge lamp | Pieter Ooms | 2001-10-16 |