Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5485465 | Redundancy control for a broadcast data transmission system | Ming Liu | 1996-01-16 |
| 4669110 | Call progress tone system | Hedayat E. Daie, Joe L. Turner | 1987-05-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5485465 | Redundancy control for a broadcast data transmission system | Ming Liu | 1996-01-16 |
| 4669110 | Call progress tone system | Hedayat E. Daie, Joe L. Turner | 1987-05-26 |