Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11032900 | Plasma torch with structure capable of performing reversed polarity/straight polarity operation | Sang-Woon Shin, Cheon-Woo Kim, Hyun Je Cho, Seokju Hwang | 2021-06-08 |