Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440108 | System and method for dispensing and revalung cash cards | Dich C. Tran, Yiu T. Liu, Joseph Y. Kwong, Junqi Yan | 1995-08-08 |
| 5434404 | Linear scanner apparatus for communicating with a data card | Yiu T. Liu, Lang Nguyen, Joseph Y. Kwong | 1995-07-18 |