Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027333 | IP-based enhanced emergency services using intelligent client devices | David Grabelsky, Anoop Tripathi, Boby Joseph | 2011-09-27 |
| 7990955 | Method and apparatus for PSTN-based IP active call recovery and re-routing | David Grabelsky | 2011-08-02 |