Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555963 | Fluorescent lamp having transparent layer with low mercury consumption | Ingrid Jozef Maria Snijkers-Hendrickx, Volker Dirk Hildenbrand | 2003-04-29 |
| 6445121 | Low-pressure mercury vapor discharge lamp with a spiral-shaped electrode shield | Adrianus Johannes Hendricus Petrus Van Der Pol | 2002-09-03 |