Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6219538 | Method and apparatus for fraud control in cellular telephone systems | Jeffrey G. Sanpore, David L. Daniels, Mary H. Kennedy | 2001-04-17 |
| 6181925 | Method and apparatus for fraud control in a cellular telephone switch | Robert Medina, David L. Daniels, Matthew J. Parzych | 2001-01-30 |
| 6023619 | Method and apparatus for exchanging RF signatures between cellular telephone systems | — | 2000-02-08 |
| 5950121 | Method and apparatus for fraud control in cellular telephone systems | Jeffrey G. Sanpore, David L. Daniels, Mary H. Kennedy | 1999-09-07 |