Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6894715 | Mixing video signals for an audio and video multimedia conference call | — | 2005-05-17 |
| 6870916 | Targeted and intelligent multimedia conference establishment services | Chinmei Chen Lee, Stinson Mathai, Donna Michaels Sand | 2005-03-22 |
| 6850604 | Method and system for sending a data message to a calling phone while communicating with a first phone | Lynell Earline Cannell, Donna Michaels Sand | 2005-02-01 |