Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758762 | Cathode ray tube having a magnetic focusing lens | Aart A. Van Gorkum, Robert H. J. Fastenau | 1988-07-19 |
| 4743794 | Cathode-ray tube having an ion trap | Jan Zwier | 1988-05-10 |
| 4705985 | Cathode-ray tube and electron gun structure therefor | Jan Westra | 1987-11-10 |