Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912951 | Voice mail system with multi-retrieval mailboxes | Robert A. Checchio, Steven T. Kaish, Margaret H. Redberg, Gregory C. Sheehan | 1999-06-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912951 | Voice mail system with multi-retrieval mailboxes | Robert A. Checchio, Steven T. Kaish, Margaret H. Redberg, Gregory C. Sheehan | 1999-06-15 |