Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813505 | Efficient and flexible communication device and system with base-to-base communication | John Walley, Doug Berger | 2004-11-02 |
| 6768914 | Full-duplex speakerphone with wireless microphone | — | 2004-07-27 |
| 6731723 | Multi-line recording device having reduced processing and storage requirements | — | 2004-05-04 |