Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6064732 | Screen-based telephone set for interactive enhanced telephony service | William V. Pezzullo, Joseph B. Johns, Kenneth M. Orford, Kristin J. Travis, Bruce H. Tsuji +3 more | 2000-05-16 |
| 5892814 | Flexible, tapeless, personalized auto-attendant telephone | Robert Turnbull | 1999-04-06 |
| 5615257 | Screen-based telephone set for interactive enhanced telephony service | William V. Pezzullo, Joseph B. Johns, Kenneth M. Orford, Kristin J. Travis, Bruce H. Tsuji +3 more | 1997-03-25 |
| 5590189 | Method of operating a microprocessor controlled telephone set | Robert Turnbull, Kristin J. Travis, Piotr T. Goszczynski, Susan McGarry | 1996-12-31 |