Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580249 | Intelligent serial battery charger and charging block | Kwok Wong Yau, Long Bai | 2003-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580249 | Intelligent serial battery charger and charging block | Kwok Wong Yau, Long Bai | 2003-06-17 |