Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839555 | Method and apparatus for supporting voice message services with automatic rebound in a wireless intelligent network | Langdon Edward Alger, Robert Thomas Calabrese, John Mitchell Rendak, Robert John Zurawski | 2005-01-04 |