Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6284306 | Method of manufacturing a filtering layer of silicon dioxide on a display screen | Joseph G. Van Lierop | 2001-09-04 |
| 6222318 | Low-pressure mercury vapor discharge lamp | Adrianus Johannes Hendricus Petrus Van Der Pol, Leonie Maria Geerdinck | 2001-04-24 |
| 5847858 | Electrochromic element | Leo Hubert Maria Krings | 1998-12-08 |
| 5717282 | Display device comprising a display screen having a light-absorbing coating | Daniel Den Engelsen | 1998-02-10 |
| 5592765 | Iron having an anti-friction layer | Hans De Beurs | 1997-01-14 |
| 5534748 | Display device comprising a display screen provided with a light absorbing coating | — | 1996-07-09 |
| 5256605 | Method of manufacturing a heavy metal fluoride glass composition | Anne-Marie Andree Van Dongen, Hendrik Veenvliet | 1993-10-26 |
| 5067134 | Device for generating blue laser light | — | 1991-11-19 |