Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8519285 | One body-type power transfer switch | Choong-Hyun Lee | 2013-08-27 |
| 8471163 | Auto transfer switch including terminal cover | Choong-Hyun Lee | 2013-06-25 |
| 8354604 | Auto transfer switch including cover | Choong-Hyun Lee | 2013-01-15 |