Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198738 | Communications between the public switched telephone network and packetized data networks | Young-fu Chang, Chinmei Chen Lee | 2001-03-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198738 | Communications between the public switched telephone network and packetized data networks | Young-fu Chang, Chinmei Chen Lee | 2001-03-06 |