Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9756189 | Method and system for routing and security for telephone calls over a packet-switched network | Saswata Bhattacharya, Harvey S. Schultz, Quan Li, Serafim Maroulis | 2017-09-05 |
| 8982875 | Method and system for routing and security for telephone calls over a packet-switched network | Saswata Bhattacharya, Harvey S. Schultz, Quan Li, Serafim Maroulis | 2015-03-17 |
| 8254371 | Method and system for routing and security for telephone calls over a packet-switched network | Saswata Bhattacharya, Harvey S. Schultz, Quan Li, Serafim Maroulis | 2012-08-28 |
| 6584094 | Techniques for providing telephonic communications over the internet | Serafim Maroulis, Dennis Specht | 2003-06-24 |
| 6353610 | Method and system for call signaling in telephone calls over a packet-switched network | Saswata Bhattacharya, Harvey S. Schultz, Tript P. Singh, Quan Li, Ghassan Z. Qadah +1 more | 2002-03-05 |
| 5787088 | Method and system for interoperating between | Nuri Ruhi Dagdeviren, Jerome Prestinario, Kenneth R. Klein | 1998-07-28 |
| 5502727 | Image and audio communication system having graphical annotation capability | Anthony James Catanzaro, Steven C. Dzik, Charles Hull, Jerome Prestinario, Minakanagurki V. Ranganath +1 more | 1996-03-26 |