Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698937 | Cathode for electron tube | Jong-Seo Choi, Keun Bae Kim, Kwang-Min Lee, Kwi-Seok Choi | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698937 | Cathode for electron tube | Jong-Seo Choi, Keun Bae Kim, Kwang-Min Lee, Kwi-Seok Choi | 1997-12-16 |