Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6560854 | Coil-winding method for electric motor, generator and alternator | Sang-sig Nam | 2003-05-13 |
| D457899 | Mandrel having hooks for forming a coil-wound article for electric motor, generator and alternator | Sang-sig Nam | 2002-05-28 |