Issued Patents All Time
Showing 51–75 of 134 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8121655 | Method and device for improving battery life of a mobile station | Van E. Kelly | 2012-02-21 |
| 8050238 | Method and apparatus for improving network access through multi-stage signaling | — | 2011-11-01 |
| 8009637 | Method and apparatus for spreading channel code selection | Vijay Subramanian | 2011-08-30 |
| 7965680 | Method and system for utilizing commonality in data streams | Alok H. Jhamnani, Gary E. Western, Stephen L. Spear, Ronald Crocker | 2011-06-21 |
| 7945255 | Method and apparatus for providing deferable data services in a cellular communication system | Jay Jayapalan, John C. Kay, Sean S. Kelley | 2011-05-17 |
| 7804912 | Method and apparatus for encryption of over-the-air communications in a wireless communication system | Yuda Luz, Ronald Crocker | 2010-09-28 |
| 7778652 | Method and apparatus for selectively modifying a portion of a radio access network via a homeland security alert system | Lena Srey, Antoine S. Iskandar, Steve L. Sheya | 2010-08-17 |
| 7764644 | Method and apparatus for reducing overhead for signaling | Philip J. Fleming, Sean Michael McBeath | 2010-07-27 |
| 7729696 | Method and apparatus for accessing a wireless communication network | Sean S. Kelley, Kris K. Martinovich, Joseph Schumacher | 2010-06-01 |
| 7702349 | Method and apparatus for using sequential group call initiations to avoid wasting resources and battery life within a group call | Sean S. Kelley | 2010-04-20 |
| 7697447 | Control of jitter buffer size and depth | — | 2010-04-13 |
| 7689208 | Method and apparatus for providing deferrable data services in a cellular communication system | Jay Jayapalan, John C. Kay, Sean S. Kelley | 2010-03-30 |
| 7680487 | Method and apparatus to facilitate scheduling transmissions to group recipients | Ronald Crocker | 2010-03-16 |
| 7609639 | Negative acknowledgment (NAK) suppression | Ivan Vukovic | 2009-10-27 |
| 7596116 | Apparatus for transmitting data packets and supporting method and data structure | Ronald Crocker | 2009-09-29 |
| 7583973 | System and method for establishing communications between mobile stations | Ronald Crocker, Thomas Hart | 2009-09-01 |
| 7570975 | Method and apparatus for management of low-battery mobile stations | Valentin Oprescu-Surcobe, Stanley J. Benes, Sean S. Kelley | 2009-08-04 |
| 7564908 | Method and apparatus for encryption of over-the-air communications in a wireless communication system | Yuda Luz, Ronald Crocker | 2009-07-21 |
| 7558560 | System and method for initiating communications between mobile stations | Ronald Crocker | 2009-07-07 |
| 7558577 | Methods for dividing base station resources | Matt J. Dillon, Vijay Subramanian | 2009-07-07 |
| 7558589 | Talker arbitration method and apparatus | Ronald Crocker, Philip J. Fleming | 2009-07-07 |
| 7546133 | System and method for automatic user availability setting | Sean S. Kelley | 2009-06-09 |
| 7539214 | Variable reliability wireless communication transmission method and apparatus | Vijay Subramanian, Fan Wang, Jyoti Black | 2009-05-26 |
| 7522548 | Providing presence information in a communication network | Ronald Crocker, Thomas Hart, Valentin Oprescu-Surcobe | 2009-04-21 |
| 7499700 | Method and apparatus for mobile station management and system | Matthew Dillon, Jerome Vogedes | 2009-03-03 |