Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7307839 | Air ventilation cooling systems for a portable power device | Man Keung Tse, Wing Ling Cheng | 2007-12-11 |
| 5959848 | Low inductance high current connector for improved power supply system | John M. Groves, Wing Ling Cheng, Man Keung Tse | 1999-09-28 |