Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9021633 | Movable lift device having rotatable bed | Cheol Woong Ko, Soo Taek KIM, Deok Yeon Cho | 2015-05-05 |
| 8984686 | Platform of electric-movable bed for bedsore prevention capable of adjusting shaft according to user body type and method for controlling position change period thereof | Do Hyung Lim, Jae Soo Hong, Hyun Ho Choi | 2015-03-24 |
| 8776289 | Senior friendly shower carrier | Cheol Woong Ko, Soo Taek KIM, Deok Yeon Cho, Yeong Chan Kwak | 2014-07-15 |
| 8763176 | Lift device including ring-shaped driving unit | Do Hyung Lim | 2014-07-01 |