Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10395872 | Movable contact assembly for circuit breaker | — | 2019-08-27 |
| 10358920 | Tunnel construction method using pre-support and post-support and apparatus suitable for same | Dong Hyun Seo | 2019-07-23 |