| 8553857 |
Systems and methods for receiving telephone calls via instant messaging |
Joel Hanson, Tony Moey, Mike Kirchner, Tom Galvin, Donald J. Maurer +1 more |
2013-10-08 |
| 7496091 |
Virtual PBX system |
Thomas J. Galvin, Michael Kirchner, Anthony W. S. Moey, Joel Hanson |
2009-02-24 |
| 7274778 |
Systems and methods for receiving telephone calls via instant messaging |
Joel Hanson, Tony Moey, Mike Kirchner, Tom Galvin, Donald J. Maurer +1 more |
2007-09-25 |
| 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 |
| 6393017 |
Virtual PBX system |
Thomas J. Galvin, Michael Kirchner, Anthony W. S. Moey, Joel Hanson |
2002-05-21 |
| 6351464 |
Virtual second line hybrid network communication system |
Tom Galvin, Joel Hanson, Mike Kirchner, Tony Moey |
2002-02-26 |
| 4452461 |
Boomerang |
— |
1984-06-05 |