Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649301 | Sealed battery | Wan-Seog Oh, Sang Won Lee, Soo Min PARK | 2003-11-18 |
| 6207320 | Cap assembly of secondary battery | Man-Gon Song, Ea-Joo Hwang, Hyoung-Su Kim | 2001-03-27 |