Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9021633 | Movable lift device having rotatable bed | Kyeoung Jin Chun, Cheol Woong Ko, Deok Yeon Cho | 2015-05-05 |
| 8776289 | Senior friendly shower carrier | Cheol Woong Ko, Kyeoung Jin Chun, Deok Yeon Cho, Yeong Chan Kwak | 2014-07-15 |