Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9173084 | Systems, methods and media for enhanced circuit-switched fallback interworking function signaling procedures for roaming user equipment | — | 2015-10-27 |
| 8077731 | Method and system for packet-based tandem free operation | Charles Marvin Berteau | 2011-12-13 |