Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6628059 | Color selection apparatus for cathode ray tube | Jong-Han Rhee, Soon-Cheol Shin, Hyang-Jin Koh, Sang-Ho Jeon | 2003-09-30 |
| 6621201 | Flat mask for cathode ray tube | Sang-Ho Jeon, Jong-Han Rhee, Hyang-Jin Koh, Dong Hwan Kim | 2003-09-16 |