Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632348 | Wire etching device and method | Hyo Sok Ahn, Doo In Kim | 2003-10-14 |
| 6615640 | Fine friction and wear test apparatus for plate specimen | Hyo Sok Ahn, Nikolai K. Myshkin, Oleg Y. Komkov, Andrei M. Dubravin | 2003-09-09 |