Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832942 | CRT and frame assembly therefor | — | 2004-12-21 |
| 6833660 | Cathode ray tube | — | 2004-12-21 |
| 6677702 | Flat type color cathode ray tube | Yoon San Park, Hyeon-Soo Hong | 2004-01-13 |