Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11486686 | Blasting system including electric detonator | Sung Ho Lee | 2022-11-01 |
| 11385037 | Electronic detonation device with dual antenna for blasting system and blasting system using same | — | 2022-07-12 |
| 11359899 | Electronic detonation device for blasting system and blasting system using same | Doo Hyun Lee | 2022-06-14 |