Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7945035 | Dynamic presence proxy for call sessions | Michelle Michael, Jeffrey Blohm | 2011-05-17 |
| 7865547 | System and method for accessing busy IP network resources | Richard Crouch, Michelle Michael | 2011-01-04 |
| 5818921 | Signaling system and method for enabling PBX-PBX feature transparency across a switched public network | David A. Vander Meiden | 1998-10-06 |