Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956871 | Apparatus and method for synchronization of audio and video streams | Charles Chuanming Wang, Andreas Aust | 2005-10-18 |
| 6954793 | Pre-paid data card authentication in a public wireless LAN access system | Kumar Ramaswamy, Charles Chuanming Wang, Junbaio Zhang | 2005-10-11 |