Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9008628 | Interactive voice access and notification system | Xia Zhang, Kenneth George Aubey | 2015-04-14 |
| 8131267 | Interactive voice access and retrieval of information | Xia Zhang | 2012-03-06 |