Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654613 | Over drive control apparatus of direct current series motor | Seong Chul Huh, Chang-Soo Lee | 1997-08-05 |
| 5637967 | Regeneration control device using brake inertia in industrial electric vehicles and method therefor | — | 1997-06-10 |