Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647020 | Methods for implementing a talkgroup call in a multicast IP network | John W. Maher, Daniel J. McDonald, Mario F. DeRango | 2003-11-11 |
| 6564066 | Method for site-based priority in a communication system | John M. Gilbert | 2003-05-13 |