Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10040005 | Serial flow channel type filter cartridge | Joung Whi Dong, Pilkang Hwang | 2018-08-07 |
| 9993757 | Filter cartridge assembly | WhiDong Joung, Pilkang Hwang | 2018-06-12 |
| D807988 | Water filter | Jaekoog An, Sangmin Park, Whi Dong JOUNG, Pilkang Hwang | 2018-01-16 |
| D806830 | Water filter | Jaekoog An, Sangmin Park, Whi Dong JOUNG, Pilkang Hwang | 2018-01-02 |