Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6577220 | Continuous multi-turn coils | Hanson Liu | 2003-06-10 |
| 6377157 | Continuous multi-turn coils | Hanson Liu | 2002-04-23 |
| 6204745 | Continuous multi-turn coils | Hanson Liu | 2001-03-20 |