Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5010271 | Color picture tube having an electron gun with reduced convergence drift | Bruce G. Marks | 1991-04-23 |
| 4990832 | Color display system | Frank Koch | 1991-02-05 |
| 4952186 | Method of making a color picture tube electron gun with reduced convergence drift | Bruce G. Marks | 1990-08-28 |
| 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 |
| 4764704 | Color cathode-ray tube having a three-lens electron gun | David A. New | 1988-08-16 |
| 4736133 | Inline electron gun for high resolution display tube having improved screen grid plate portion | Robert L. Barbin, Hsing-Yao Chen | 1988-04-05 |
| 4546287 | Cathode ray tube focusing electrode shielding means | Floyd K. Collins, Frederick A. Hovey | 1985-10-08 |