Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6104786 | Telephony services suite | Marcus Hickerson, James Kemble, Eric J. Linger, Vince Scott Margiotta, John A. McMaster | 2000-08-15 |
| 5689552 | Telephone calling with automatic billing | — | 1997-11-18 |
| 5463677 | Method and apparatus for facilitating the making of collect calls | Stephan R. Bash, Salvatore R. L. Di Rubbo, Richard L. Mansdoerfer, Jr. | 1995-10-31 |