Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685526 | Method of providing a film on a surface, device for providing said film, and display screen provided with said film | — | 2004-02-03 |
| 5903089 | Monochrome CRT having curved display window with reduced transmission and projection color TV incorporating same | Robert L. Donofrio | 1999-05-11 |
| 5209690 | Method of vapor depositing an interference filter layer on the inside of a display window, a display window, a projection cathode ray tube and a projection television apparatus | Leendert Vriens, Antonius P. van de Langenberg | 1993-05-11 |
| 5065071 | Monochrome CRT with interference filter having filter layer with reduced transmission and projection color TV incorporating same | Robert L. Donofrio | 1991-11-12 |
| 4937661 | Projection television display tube and device having band pass interference filter | — | 1990-06-26 |