Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8811576 | Retrieval of deleted voice messages in voice messaging system | Syed S. Ali, Lakshmi Narayana Jampanaboyana | 2014-08-19 |
| 8121265 | Retrieval of deleted voice messages in voice messaging system | Syed S. Ali, Lakshmi Narayana Jampanaboyana | 2012-02-21 |
| 7558381 | Retrieval of deleted voice messages in voice messaging system | Syed S. Ali, Lakshmi Narayana Jampanaboyana | 2009-07-07 |
| 6829344 | Methods and devices for forwarding identification data | Charles W. Berthoud | 2004-12-07 |
| 6257049 | Ambient humidity measurement using microwaves | — | 2001-07-10 |
| 6075850 | Flash-hook Caller ID | Syed S. Ali, Charles W. Berthoud | 2000-06-13 |