Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6324280 | Optimum routing of calls over the public switched telephone network and the internet | James Patrick Dunn | 2001-11-27 |
| 5309501 | Arrangement for detecting fraudulently identified mobile stations in a cellular mobile telecommunications network | Chinmei Chen Lee, Dennis J. Wiest | 1994-05-03 |