Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11027159 | Water curtain head for preventing fire spread between floors in curtain wall building | Dongjoon Kim, Hongsun Ryou | 2021-06-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11027159 | Water curtain head for preventing fire spread between floors in curtain wall building | Dongjoon Kim, Hongsun Ryou | 2021-06-08 |