Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6018762 | Rules-based synchronization of mailboxes in a data network | Gordon R. Brunson | 2000-01-25 |
| 5003577 | Voice and data interface to a voice-mail service system | Douglas J. Ertz, Larry Friedman, Cheuk W. Kwok, David J. Marinelli | 1991-03-26 |