Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5099510 | Teleconferencing with bridge partitioning and other features | Robert J. Blinken, Jr., Billy B. Oliver, Katharine Sensenig | 1992-03-24 |
| 4796293 | Enhanced dedicated teleconferencing system | Robert J. Blinken, Jr., William J. Koenig, Billy B. Oliver | 1989-01-03 |