Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460057 | Data object management system | Nicholas D. Butler, Rachel E. Jackson, Sanjay Nagchowdhury | 2002-10-01 |
| 6366879 | Controlling interactive voice response system performance | Nigel L. Jones, Sanjay Nagchowdhury, David Glen Martin | 2002-04-02 |