Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11079463 | Method and device for position determination | Stefan Waasen, Renhai Xiong, Michael Schiek | 2021-08-03 |
| 7609716 | Method and apparatus for efficient data transmission control in a wireless voice-over-data communication system | James M. Brown | 2009-10-27 |
| 7522631 | Method and apparatus for efficient data transmission control in a wireless voice-over-data communication system | James M. Brown | 2009-04-21 |
| 7110357 | Method and apparatus for voice latency reduction in a voice-over-data wireless communication system | James Tomcik, Matthew B. von Damm, James M. Brown | 2006-09-19 |
| 6990119 | Method and apparatus to facilitate a transparent service option transition | Dan Vassilovski, James Tomcik, Stephen Carter, Maria Marshall | 2006-01-24 |
| 6785262 | Method and apparatus for voice latency reduction in a voice-over-data wireless communication system | James Tomcik, Matthew B. von Damm, James M. Brown | 2004-08-31 |
| 6731647 | Method and apparatus for efficient data transmission in a voice-over-data communication system | — | 2004-05-04 |
| 6567388 | Method and apparatus for efficient data retransmission in a voice-over-data communication system | James Tomcik | 2003-05-20 |
| 6400724 | Method and apparatus for efficient data transmission in a voice-over-data communication system | — | 2002-06-04 |
| 5983099 | Method/apparatus for an accelerated response to resource allocation requests in a CDMA push-to-talk system using a CDMA interconnect subsystem to route calls | Matthew S. Grob, Eric J. Levken, Katherine W. White | 1999-11-09 |
| 5983114 | Method and apparatus for monitoring link activity to prevent system deadlock in a dispatch system | Matthew S. Grob | 1999-11-09 |
| 5960362 | Method and apparatus for access regulation and system protection of a dispatch system | Matthew S. Grob, Eric J. Lekven | 1999-09-28 |
| 5884196 | Method and apparatus of preserving power of a remote unit in a dispatch system | Eric J. Lekven, Matthew S. Grob | 1999-03-16 |
| 5881368 | Method and apparatus of power control in a CDMA dispatch system | Matthew S. Grob, Eric J. Lekven | 1999-03-09 |