Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10363554 | Method for regenerating catalyst | Sung Ho Hong, Jeong Hwa Lee, Sang Duck Seo | 2019-07-30 |
| 7116543 | Apparatus for supplying electric energy to explosion cartridge | Hee Jin Kim, Hyo Jin Ahn | 2006-10-03 |