Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920542 | Method and apparatus for providing secure voice/multimedia communications over internet protocol | Harbir S. Brar, Koan S. Chong, William Todd Marshall, Israel Rosencrantz, Rachel Rosencrantz +1 more | 2011-04-05 |
| 7912192 | Arrangement for managing voice over IP (VoIP) telephone calls, especially unsolicited or unwanted calls | Peter Israel Rosencrantz | 2011-03-22 |