Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652793 | Cathode-ray tube provided with a luminescent indium orthoborate | — | 1987-03-24 |
| 4604550 | Display tube with terbium-activated blue-luminescing phosphor screen | Roelof Egbert Schuil | 1986-08-05 |