Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775272 | Virtual PBX system | Thomas J. Galvin, Michael Kirchner, Anthony W. S. Moey, Joel Hanson | 2004-08-10 |
| 6697474 | Systems and methods for receiving telephone calls via instant messaging | Joel Hanson, Tony Moey, Mike Kirchner, Tom Galvin, Donald J. Maurer +1 more | 2004-02-24 |