Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5952142 | Azine-containing photoconductive element | Achilles Wilhelmus Maria Persoon, Maria Petronella Henrica van Horck | 1999-09-14 |
| 5665501 | Photoconductive element with polycarbonate binder | Hendrik Jozef Antonius Ogrinc | 1997-09-09 |
| 5347194 | Oxide cathode with rare earth addition | — | 1994-09-13 |
| 5277637 | Cathode for an electric discharge tube | — | 1994-01-11 |
| 5146131 | Alkaline earth metal oxide cathode containing rare earth metal oxide | — | 1992-09-08 |
| 5075589 | Oxide cathode | Carolus A. Smets | 1991-12-24 |
| 5059856 | Oxide cathode | — | 1991-10-22 |
| 5030879 | Cathode for an electric discharge tube | — | 1991-07-09 |
| 4348610 | Camera tube with graded tellurium or arsenic target | Jan Dieleman, Joannes H. J. van Dommelen | 1982-09-07 |
| 4319159 | Camera tube selenium target including arsenic increasing in concentration from radiation side | Joannes H. J. van Dommelen, Jan Dieleman | 1982-03-09 |
| 4254359 | Camera tube with graduated concentration of tellurium in target | Joannes H. J. van Dommelen, Jan Dieleman | 1981-03-03 |