Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771751 | Systems and methods for information exchange and synchronization using DTMF over telephone communication channels | Srivatsan Kasturi, Vinod Nagarajan, Rajah Kalipatnapu, Darrell Fongson | 2004-08-03 |