Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829211 | Method of manufacturing a color display tube having a magnetic quadrupole post-focusing mask and a color display tube made by the method | Robert H. J. Fastenau, Jacob Koorneef, Matthijs J. Baan Hofman, Johannes T. Klomp | 1989-05-09 |
| 4616154 | Cathode ray tube having an Fe-Co-Cr shadow mask and method of manufacturing such a shadow mask | Marcel Brouha, Johannes T. Klomp | 1986-10-07 |