Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7693523 | Implementation of collaborative telecommunications services | Douglas Anthony Deutsch | 2010-04-06 |
| 7565160 | System and method of handling prioritized wireless calls for mobile devices operating in an analog or TDMA mode | Michael D. Chambers, Rafael Quintero, Douglass H. Riley | 2009-07-21 |
| 7035645 | Methods for mitigating impact on non-privileged users of potential resource limitations in a communication system | — | 2006-04-25 |
| 6912274 | System allowing telephone customers to send and retrieve electronic mail messages using only conventional telephonic devices | Donald Lee Andruska | 2005-06-28 |
| 6760312 | Quality of service on demand | — | 2004-07-06 |