Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694459 | Personalized information service system | Claire Darcelle Barrera, Esther L. Davenport, Harold Fahrer, Barry Norman Ostroff, Robert Petrelli +1 more | 1997-12-02 |
| 5459779 | Method for switching telephone calls to information service providers | John J. Butz, Ali M. Cherchali, Esther L. Davenport, Harold Fahrer, Kathleen A. Misdea +1 more | 1995-10-17 |
| 5444713 | Telephone information service system using digital and out-of-band signaling | Claire Darcelle Barrera, Esther L. Davenport, Harold Fahrer, Barry Norman Ostroff, Robert Petrelli +1 more | 1995-08-22 |