Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10132414 | Vacuum valve | Ki Sun Choi | 2018-11-20 |
| 9995402 | Two-way gate valve | Ki Sun Choi, Kang-Hyun Kim, Sang Min Kim, Sun Yeol Seo | 2018-06-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10132414 | Vacuum valve | Ki Sun Choi | 2018-11-20 |
| 9995402 | Two-way gate valve | Ki Sun Choi, Kang-Hyun Kim, Sang Min Kim, Sun Yeol Seo | 2018-06-12 |