Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6840457 | Wet-pipe sprinkler system, method of supplying water and dealing with water leak in the sprinkler system | Hyo-jung Park, Sung Sik Yun, Kyong-gwan Lee, Hyun Ku Kim | 2005-01-11 |