Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8918526 | Application service invocation based on filter criteria | Yung-Hwa Tai, Gregory Welch | 2014-12-23 |
| 8798253 | Network routing | Curtis E. Allen, Phillip D. Crable, Mariafranca Gregorat, Steven L. Lass, Richard L. McClain +5 more | 2014-08-05 |
| 8737592 | Routing calls in a network | Mariafranca Gregorat, Steven L. Lass, Richard L. McClain, Timothy M. Dwight, Gregory Welch +1 more | 2014-05-27 |
| 8644460 | Application service invocation | Yung-Hwa Tai, Gregory Welch | 2014-02-04 |
| 8635324 | Policy engine in an internet protocol multimedia subsystem | Yung-Hwa Tai, Gregory Welch | 2014-01-21 |
| 8341221 | Instant messenger location buddy | Paul T. Schultz | 2012-12-25 |
| 8325905 | Routing calls in a network | Mariafranca Gregorat, Steven L. Lass, Richard L. McClain, Timothy M. Dwight, Gregory Welch +1 more | 2012-12-04 |
| 8234388 | Application service invocation based on filter criteria | Yung-Hwa Tai, Gregory Welch | 2012-07-31 |
| 7975037 | Policy engine in an Internet Protocol multimedia subsystem | Yung-Hwa Tai, Gregory Welch | 2011-07-05 |
| 7792275 | Application service invocation | Yung-Hwa Tai, Gregory Welch | 2010-09-07 |