Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8471174 | Method for welding tip of electrode in spark plug | Dae Yeol Ohm, Seok Ki Song, Hyun-Joong Kim, Byung Heon Shin | 2013-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8471174 | Method for welding tip of electrode in spark plug | Dae Yeol Ohm, Seok Ki Song, Hyun-Joong Kim, Byung Heon Shin | 2013-06-25 |