Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922468 | System and method of using local number portability (LNP) to redirect terminating calls to a service node | John Mark Dammrose, Joseph P. Marx | 2005-07-26 |
| 5950125 | Location-dependent cellular service profile | Michael Buhrmann, Eamon O'Leary | 1999-09-07 |
| 5557664 | Calling party-paid wireless telephone service | Elaine G. Burns, Esther L. Davenport, Belkacem Manseur, Gary Munson, Barry S. Seip | 1996-09-17 |