Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6035046 | Recorded conversation method for evaluating the performance of speakerphones | Frank Cheng, Darren A. Kall, Scott M. Pennock, Terry Spencer | 2000-03-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6035046 | Recorded conversation method for evaluating the performance of speakerphones | Frank Cheng, Darren A. Kall, Scott M. Pennock, Terry Spencer | 2000-03-07 |