Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8543084 | Systems and methods for providing multiple simultaneous calls from the same prepaid account | Gregory L. Mumford, Jon Abel, David A. Fitzgerald, Radhika Gunasekar, Anna Marie Appleby | 2013-09-24 |
| 8175235 | Lease model for avoiding permanent card locking | Gregory L. Mumford, Jon Abel, David A. Fitzgerald, Radhika Gunasekar, Anna Marie Appleby | 2012-05-08 |
| 8064579 | Prepaid services accounts with multi-user customers and individualized quotas | Gregory L. Mumford, Jon Abel, David A. Fitzgerald, Radhika Gunasekar, Anna Marie Appleby | 2011-11-22 |
| 7957720 | Systems and methods for providing multiple simultaneous calls from the same prepaid account | Gregory L. Mumford, Jon Abel, David A. Fitzgerald, Radhika Gunasekar, Anna Marie Appleby | 2011-06-07 |