Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381249 | Tandem pass through in a switched call | Christina Chan | 2002-04-30 |
| 6172987 | Switching compression routines with no loss of data | Kaveh Razazian, Xiao Ling Chang | 2001-01-09 |