Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912951 | Voice mail system with multi-retrieval mailboxes | Robert A. Checchio, Nancy A. Kowalsky, Margaret H. Redberg, Gregory C. Sheehan | 1999-06-15 |
| 5740234 | Telephone call monitoring method and apparatus | James E. Black, Jr., Bret A. Cooper, Brian Freeman, Donald M. Gerth, Richard Jordan +6 more | 1998-04-14 |
| 5633924 | Telecommunication network with integrated network-wide automatic call distribution | Eugene P. Mathews, Nigel G. Matson, Carlos A. Perea, George J. Ryva, James Shepard +2 more | 1997-05-27 |
| 5448632 | Call monitoring system for intelligent call processing | Hannibal Iyob, Paul Noll, V. R. Gopala Rao, Ronald W. Tamkin, Alex Cherry Wilkinson | 1995-09-05 |