Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810930 | Luminescent Eu.sup.3+ -activated silicate, luminescent screen provided with such a silicate and low-pressure mercury vapor discharge lamp provided with such a screen | Johannus G. Verlijsdonk, Bruno M. J. Smets | 1989-03-07 |
| 4524300 | Luminescent screen and lamp containing the same | Gerardus P. F. Hoeks, Johannes Trudo Cornelis Van Kemenade | 1985-06-18 |