Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8132374 | External wall panel unit for saving energy and external wall structure system using the same | Sang Leem Lee, Hee-Sung Kang, Nam Kyu Park, Young Ah PARK, Jong-Hee Lee +2 more | 2012-03-13 |