Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664723 | Shadow mask in color cathode ray tube | Gwang Heon Ha | 2003-12-16 |
| 6628055 | Shadow mask in cathode ray tube | — | 2003-09-30 |
| 6590325 | Structure for preventing howling of shadow mask in cathode ray tube | — | 2003-07-08 |