Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7664122 | Call tracking using voice quality measurement probe | Eric Cheung, Shelley B. Goldman, Kermit Hal Purdy, David Hilton Shur | 2010-02-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7664122 | Call tracking using voice quality measurement probe | Eric Cheung, Shelley B. Goldman, Kermit Hal Purdy, David Hilton Shur | 2010-02-16 |