Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5905791 | Method and apparatus for providing combined communication services including local service and toll service | Anurag Goel, Nadine Guillaume, Leticia Garcia Johnson, Theodore Vagelos, Walter Paul Zahray | 1999-05-18 |