Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831971 | Fault-tolerant load balancing of conference call bridges | Pierre D. Wellner, Stephen T. Dacek, Cary Torkelson | 2004-12-14 |
| 6665392 | Associating data connections with conference call telephone | Pierre D. Wellner, Stephen T. Dacek, Cary Torkelson | 2003-12-16 |
| 6628767 | Active talker display for web-based control of conference calls | Pierre D. Wellner, Stephen T. Dacek, Cary Torkelson | 2003-09-30 |
| 6219412 | Choice of guaranteed vs. bumpable conference call reservations | Pierre D. Wellner, Stephen T. Dacek, Cary Torkelson | 2001-04-17 |