Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9467406 | Devices for instant message client swap | Geoffrey Dietz | 2016-10-11 |
| 9231894 | Method and devices for instant message client swap | Geoffrey Dietz, Daniel L. Price | 2016-01-05 |
| 7689234 | Method and system for delivery of short message service messages | Robert Horvath, Susan C. Billings Urbina | 2010-03-30 |
| 7583973 | System and method for establishing communications between mobile stations | John M. Harris, Ronald Crocker | 2009-09-01 |
| 7522548 | Providing presence information in a communication network | John M. Harris, Ronald Crocker, Valentin Oprescu-Surcobe | 2009-04-21 |
| 7466675 | Method and apparatus for supporting a reduced resource dormant state for packet data | Jay Jayapalan | 2008-12-16 |
| 7336966 | System and method for delay reduction in a network | John M. Harris, Ronald Crocker | 2008-02-26 |
| 7328036 | Method and apparatus reducing PTT call setup delays | Ronald Crocker | 2008-02-05 |
| 7197328 | Method and apparatus for increasing success rate of push-to-talk access in a mobile communications network | Ronald Crocker, John M. Harris, Shreesha Ramanna | 2007-03-27 |
| 7089012 | Method and system for use in reducing cost associated with lost connections in wireless communication | John M. Harris, Ronald Crocker | 2006-08-08 |
| 5203010 | Radio telephone system incorporating multiple time periods for communication transfer | Kenneth A. Felix, Alton Paul Werronen, Scott A. Hardman, Thomas G. Hulsebosch | 1993-04-13 |