Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9054503 | Support apparatus for insulator arm | Won-Kyo Lee, Chan-Hyeong Park, Ho-Kwon LEE | 2015-06-09 |
| 8122647 | Power transmission tower | Won-Kyo Lee, Dong II Lee, In-Hyuk Choi | 2012-02-28 |
| 7471084 | Extremely low frequency (ELF) or low frequency (LF) magnetic field distribution measuring system | Dong-Il Lee, Seong-Doo Lee, Youn-Myoung Gimm | 2008-12-30 |