Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660990 | Lumbar support for vehicle seat | Jae-Yel SONG, Hai-Tai CHOI, Chae Sung Song, Sung Su Park, Sang Ho Lee +4 more | 2023-05-30 |
| 9186715 | Mandrel for bending rectangular duct body | Cheol Kyun Heo | 2015-11-17 |