Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5541480 | High-pressure discharge lamp with metal layer on outer surface | Henricus Gubbels, Raghu Ramaiah | 1996-07-30 |
| 5424609 | High-pressure discharge lamp | Andreas S. G. Geven, Peter A. Seinen, Jan A. J. Stoffels, Christoffel Wijenberg, Harald R. Dielis | 1995-06-13 |
| 5252886 | High-pressure discharge lamp with ceramic vessel | Theodorus P. P. Kandelaars, Samuel A. Carleton, Cornelis A. J. Jacobs | 1993-10-12 |
| 4766347 | High-pressure discharge lamp having a lead-through with a protuberance | Marc Janssen | 1988-08-23 |
| 4546284 | Low-pressure mercury vapor discharge lamp | Bauke Sieswerda | 1985-10-08 |