Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801843 | Display tube with magnetic correction elements | — | 1989-01-31 |
| 4691139 | Display tube having ferromagnetic field shapers to prevent beam defocussing | Jan Gerritsen | 1987-09-01 |
| 4625145 | Color display tube with magnetic field shaping means | Jan Gerritsen, Piet G. J. Barten | 1986-11-25 |