Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5544221 | Method and apparatus for prohibiting unauthorized use of a telecommunication line | Ching-Hung Tsai, Wu Jui Kuang | 1996-08-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5544221 | Method and apparatus for prohibiting unauthorized use of a telecommunication line | Ching-Hung Tsai, Wu Jui Kuang | 1996-08-06 |