Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703935 | Automated telephone operator services | Anousheh Raissyan, Kody Raymond Wood, Michael Jacobi, Linda S. King, Michele Pauline Torbert +1 more | 1997-12-30 |
| 5640446 | System and method of validating special service calls having different signaling protocols | David Alan Everett, Gary W. Leopold, George Kult, Padmanabhan Vijay | 1997-06-17 |
| 5638431 | Calling card validation system and method therefor | David Alan Everett, Gary W. Leopold, George Kult, Padmanabhan Vijay | 1997-06-10 |