Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6185416 | Method and apparatus for fraud control in cellular telephone systems | Ronald S. Rudokas, David L. Daniels | 2001-02-06 |
| 5555551 | Method and apparatus for fraud control in cellular telephone systems | Ronald S. Rudokas, David L. Daniels | 1996-09-10 |
| 5420910 | Mehtod and apparatus for fraud control in cellular telephone systems utilizing RF signature comparison | Ronald S. Rudokas, David L. Daniels | 1995-05-30 |
| 4951308 | Automated vending of cellular hand-held telephones and cellular telephone services | Ronald D. Bishop, Dana W. McClure | 1990-08-21 |