Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877998 | Color display system having an electron gun with dual electrode modulation | David A. New, Carl L. Lundvall, II | 1989-10-31 |
| 4870320 | Color picture tube having an electron gun with reduced convergence drift | Stephen T. Opresko, Bruce G. Marks | 1989-09-26 |