Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815403 | Polyester resin composition for a hot-melt adhesive | Dong Yi, Hyung-Gon Kim, Jong-Ki Sim | 2020-10-27 |
| 10648680 | Hot water supply system having preheating function and method for controlling same | Chang Heoi Heo, Yong Song | 2020-05-12 |