| 7295661 |
Enhanced telecommunications alerting |
— |
2007-11-13 |
| 6980799 |
Method for preserving calls when service is interrupted to a mobile unit in a wireless communication system |
Paul Sand, Richard Sparber, Claudis Young |
2005-12-27 |
| 6584316 |
Handoff of phone calls from wireless to wireline network |
Paul Sand, Richard Sparber |
2003-06-24 |
| 6580787 |
Integration of voice mail, email, fax and personal calendar systems to automatically update messages |
Richard Brockman, Paul Sand, Phillip Michael Sands, Richard Sparber |
2003-06-17 |
| 6449483 |
Wireless telephone system for accessing multiple stations via a single telephone number |
Paul Sand |
2002-09-10 |
| 6405042 |
Provision of cellular/wire-line service |
Paul Sand, Richard Sparber |
2002-06-11 |
| 6263050 |
Method and system for responding to security system breaches via a wireless network |
Ronald Joseph Rees, Ian A. Schorr |
2001-07-17 |