Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8730256 | Color selection input device and method | Lucius Theodorus Vinkenvleugel, Bram Francois Joosen, Paul Philip Thursfield, Elizabeth Hewitt Zwerver-Curtis | 2014-05-20 |
| 7878688 | Lamp assembly | Elvira Johanna Maria Paulussen, Peter Alexander Duine, Denis Joseph Carel Van Oers, Antonius Cornelis Van Den Broek, Wouter Lambertus Petrus Willaert | 2011-02-01 |
| 4800319 | Low-pressure mercury vapor discharge lamp | Johannes T. W. De Hair, Everhardus G. Berns | 1989-01-24 |
| 4727283 | Low-pressure mercury vapour discharge lamp | Gerardus H. M. Siebers, Jean J. Heuvelmans, Johannes T. W. deHair, Johannes W. ter Vrugt | 1988-02-23 |
| 4644223 | Low-pressure mercury vapor discharge lamp | Johannes T. W. De Hair, Everhardus G. Berns | 1987-02-17 |
| 4602188 | Low-pressure mercury vapor discharge lamp | Johannes T. W. De Hair, Everhardus G. Berns | 1986-07-22 |
| 4524300 | Luminescent screen and lamp containing the same | Joseph Rutten, Gerardus P. F. Hoeks | 1985-06-18 |