Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5086250 | Color cathode ray tube having shadow mask with some long, narrow apertures | — | 1992-02-04 |
| 4866466 | Method of producing a color picture tube screen | — | 1989-09-12 |
| 4442376 | Color display tube having heavy metal coating on color selection electrode | Johannes M. A. A. Compen | 1984-04-10 |
| 4339516 | Method of manufacturing reproduction masks for producing a pattern of elongate apertures in a shadow mask of a color cathode ray tube | Gérard Vermeulen | 1982-07-13 |