Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699220 | Overvoltage automatic prevention apparatus having an individual fault display and permanent ground functions | Kyung Jae Lee, Se-Jung Yong | 1997-12-16 |
| 5694285 | Overcurrent automatic prevention apparatus having an individual fault display and permanent ground functions | Kyung Jae Lee, Se-Jung Yong | 1997-12-02 |