| 8660524 |
Enforcing limits on free and/or discounted electronic communications |
Joseph K. Sipher, Elita Ng |
2014-02-25 |
| 8478252 |
Enforcing limits on free and/or discounted electronic communications |
Joseph K. Sipher, Elita Ng |
2013-07-02 |
| 8316062 |
Shared distribution lists for distribution of audio content using mobile telecommunication devices |
Joseph K. Sipher |
2012-11-20 |
| 7764952 |
Distribution of audio content using mobile telecommunication devices |
Joseph K. Sipher, Gregory S. Woock, Jesse V. Green, Jason Chang |
2010-07-27 |
| 7317926 |
Synchronous transmission of data with network remote control |
Allen E. Milewski, Thomas M. Smith |
2008-01-08 |
| 7006609 |
System for the remote notification and retrieval of electronically stored messages |
Allen E. Milewski, David R. Millen |
2006-02-28 |
| 6772188 |
Method and apparatus for communicating with an entity automatically identified in an electronic communication |
— |
2004-08-03 |
| 6535586 |
System for the remote notification and retrieval of electronically stored messages |
Allen E. Milewski, David R. Millen |
2003-03-18 |
| 6516191 |
Hypermedia links that address traffic channels in a wireless communication system |
Steven L. Greenspan, Anders Fernstedt |
2003-02-04 |
| 6459913 |
Unified alerting device and method for alerting a subscriber in a communication network based upon the result of logical functions |
— |
2002-10-01 |
| 5892962 |
FPGA-based processor |
— |
1999-04-06 |