Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201071 | Fume-removing device | Bum Je Woo, Sang Hyun Kim, Young Chul Kim | 2021-12-14 |
| 11152239 | Fume-removing device | Bum Je Woo, Sang Hyun Kim, Young Chul Kim | 2021-10-19 |
| 11114325 | Fume-removing device | Bum Je Woo, Sang Hyun Kim, Young Chul Kim | 2021-09-07 |