Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694459 | Personalized information service system | Marjorie S. Backaus, Claire Darcelle Barrera, Esther L. Davenport, Harold Fahrer, Robert Petrelli +1 more | 1997-12-02 |
| 5444713 | Telephone information service system using digital and out-of-band signaling | Marjorie S. Backaus, Claire Darcelle Barrera, Esther L. Davenport, Harold Fahrer, Robert Petrelli +1 more | 1995-08-22 |