Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7154226 | Capped electric lamp and low-pressure mercury-vapor discharge lamp | Allard Arend Boomkens, Diederik Ten Horn | 2006-12-26 |
| 6465960 | Capped electric lamp and low-pressure mercury-vapor discharge lamp | Pieter Dirk Melis Van Duivendijk, Antonius J. Spaapen | 2002-10-15 |
| 6304029 | Low pressure mercury discharge lamp having a mercury holder with reduced lead oxide | Johannes A. G. Van Dongen, Frans J. Traksel | 2001-10-16 |