Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10628785 | Mobilized laundry service system | Sung Joo Lee | 2020-04-21 |
| 7665259 | Built-up rectangular steel column for filling concrete therein having L-shaped members and steel plates with curving projections and convex embossed portions | Young Ho Yoon, Sang Yeon Kim, Su Jin Lee, Hyung Geun Kim, Soon-Woo Nam +3 more | 2010-02-23 |