Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8549083 | Message waiting notification to external message centers | Yigang Cai, Atul Halari, Harold Robert Smith, Jr. | 2013-10-01 |
| 7142857 | Apparatus, method and system for maintaining call control at a gateway mobile switching center utilizing a packet network | Thomas Edward Hudepohl, Douglas Harvey Riley, Robin Jeffrey Thompson | 2006-11-28 |
| 6978133 | Mobile station origination when serving mobile switching center is not wireless intelligent network capable | Ramachendra P. Batni, Neil Harrison, Aftab Ahmed Khan, Michael J. Rudolph, Indrani Sen +3 more | 2005-12-20 |
| 6839555 | Method and apparatus for supporting voice message services with automatic rebound in a wireless intelligent network | Langdon Edward Alger, Tracy Edwin III East, John Mitchell Rendak, Robert John Zurawski | 2005-01-04 |
| 6782258 | Wireless hot-lining with automatically assigned variable hot-line number | Dara Ung, Mark Titus, Margaret Skalko Shepard, Karl Lebedda, Carle S. Johnson, Jr. | 2004-08-24 |
| 6519454 | Apparatus and method providing ubiquitous call transfer of an incoming call to a mobile subscriber unit | Harold Robert Smith, Jr., Jeffrey Arthur Zahnle | 2003-02-11 |
| 6393289 | Apparatus, method and system for wireless telecommunication session control by an adjunct network entity | Roger L. Bunting, Jason Christopher Byrne, Harold Robert Smith, Jr. | 2002-05-21 |
| 6389279 | Method and apparatus providing call redirection for subsequent call events in a telephone communications system | Robin Jeffrey Thompson, Jeffrey Arthur Zahnle, Robert John Zurawski | 2002-05-14 |
| 6343215 | ANSI 41 dialed number validation | Thomas Edward Hudepohl, Todd C. Morgan | 2002-01-29 |
| 6236857 | Methods and apparatus for accessing enhanced wireless services platforms via the public switched telephone network | Nicholas Gnesda, Douglas Harvey Riley, Jeffrey Arthur Zahnle | 2001-05-22 |
| 6055423 | Method for updating message waiting number count for a mobile telephone in an ANSI41 network | Bernard Louis Cyr | 2000-04-25 |