Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757427 | Irradiation device comprising a short arc discharge lamp | Franciscus M. P. Oostvogels, Adrianus P. Severijns, Petrus J. W. Severin | 1988-07-12 |
| 4307315 | High pressure discharge lamp with vessel having a UV radiation absorbing portion of quartz glass | Gerardus H. A. M. van der Steen, Jan van Werkhoven | 1981-12-22 |