| 8553857 |
Systems and methods for receiving telephone calls via instant messaging |
Mark O'Brien, 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, Mark O'Brien |
2009-02-24 |
| 7317705 |
Mobile data device and method of locating mobile data service |
— |
2008-01-08 |
| 7274778 |
Systems and methods for receiving telephone calls via instant messaging |
Mark O'Brien, Tony Moey, Mike Kirchner, Tom Galvin, Donald J. Maurer +1 more |
2007-09-25 |
| 6868074 |
Mobile data device and method of locating mobile data device |
— |
2005-03-15 |
| 6775272 |
Virtual PBX system |
Thomas J. Galvin, Michael Kirchner, Anthony W. S. Moey, Mark O'Brien |
2004-08-10 |
| 6766001 |
Process and apparatus for messaging upon incomplete call |
— |
2004-07-20 |
| 6697474 |
Systems and methods for receiving telephone calls via instant messaging |
Mark O'Brien, Tony Moey, Mike Kirchner, Tom Galvin, Donald J. Maurer +1 more |
2004-02-24 |
| 6535585 |
System and method for notification upon successful message delivery |
Douglas J. Murray |
2003-03-18 |
| 6393017 |
Virtual PBX system |
Thomas J. Galvin, Michael Kirchner, Anthony W. S. Moey, Mark O'Brien |
2002-05-21 |
| 6351464 |
Virtual second line hybrid network communication system |
Tom Galvin, Mike Kirchner, Tony Moey, Mark O'Brien |
2002-02-26 |