Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822423 | Intelligent serial battery charger and charging block | Kwok Wong Yau, Yiu Li | 2004-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822423 | Intelligent serial battery charger and charging block | Kwok Wong Yau, Yiu Li | 2004-11-23 |