Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819665 | Private branch exchange implemented using H.323 gatekeeper | Debbie Pinard, Harold Sit, Eliana Peres | 2004-11-16 |
| 6801609 | Telephone system with programmable line appearances | Debbie Pinard | 2004-10-05 |
| 6754201 | Communication system using line appearances on a single line for connecting multiple devices | Shawn Griffin | 2004-06-22 |