Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5903571 | Distributed transit private branch exchange | Adoor V. Balasubramanian | 1999-05-11 |
| 5825779 | PBX networking with quality of service control | Zigmunds Andis Putnins, Adoor V. Balasubramania | 1998-10-20 |
| 5805690 | Method of distributed call control in a distributed transit PBX system | Adoor V. Balasubramanian | 1998-09-08 |