Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641450 | Method of making a cathode for an electron tube | Sung-Hwan Moon, Seung Han | 2003-11-04 |
| 6551177 | Forming device for bevelling | — | 2003-04-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641450 | Method of making a cathode for an electron tube | Sung-Hwan Moon, Seung Han | 2003-11-04 |
| 6551177 | Forming device for bevelling | — | 2003-04-22 |