Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5563496 | Battery monitoring and charging control unit | — | 1996-10-08 |
| 5349282 | Battery charging and monitoring system | — | 1994-09-20 |
| 5198743 | Battery charger with microprocessor control | Phong B. Chau | 1993-03-30 |