Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6275580 | Teleconferencing device having acoustic transducers positioned to improve acoustic echo return loss | Philip Edward Lang | 2001-08-14 |
| 5896461 | Compact speakerphone apparatus | Jeremy F. Skene | 1999-04-20 |