Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752714 | Decelerating and scan expansion lens system for electron discharge tube incorporating a microchannel plate | John H. Sonneborn | 1988-06-21 |
| 4277722 | Cathode ray tube having low voltage focus and dynamic correction | Bozidar Janko | 1981-07-07 |