Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8731161 | Calling type identification system | Michael Aaron Hawley, Ragunath Palaniappan, Stephen P. O'Neal, Ameen Khanfar, Karen S. Riepenkroger +4 more | 2014-05-20 |
| 8594626 | Post-paid wireless service balance management | Charles E. Woodson, Russell G. Kindred, Christina Spieker, Daniel V. Steinel, John Gallagher +1 more | 2013-11-26 |
| 7239691 | Method and system for handling calls in a communication network | Daniel Charles Sbisa | 2007-07-03 |
| 7062030 | Method and system for handling calls in a communication network | Daniel Charles Sbisa | 2006-06-13 |
| 6760426 | Method and system for handling operator calls in a communication network | Daniel Charles Sbisa | 2004-07-06 |