Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6285871 | Cellular fraud prevention using selective roaming | — | 2001-09-04 |
| 6219538 | Method and apparatus for fraud control in cellular telephone systems | William J. Kaminsky, Jeffrey G. Sanpore, Mary H. Kennedy | 2001-04-17 |
| 6185416 | Method and apparatus for fraud control in cellular telephone systems | Ronald S. Rudokas, John A. Storch | 2001-02-06 |
| 6181925 | Method and apparatus for fraud control in a cellular telephone switch | William J. Kaminsky, Robert Medina, Matthew J. Parzych | 2001-01-30 |
| 6058301 | Cellular fraud prevention using selective roaming | — | 2000-05-02 |
| 5950121 | Method and apparatus for fraud control in cellular telephone systems | William J. Kaminsky, Jeffrey G. Sanpore, Mary H. Kennedy | 1999-09-07 |
| 5555551 | Method and apparatus for fraud control in cellular telephone systems | Ronald S. Rudokas, John A. Storch | 1996-09-10 |
| 5420910 | Mehtod and apparatus for fraud control in cellular telephone systems utilizing RF signature comparison | Ronald S. Rudokas, John A. Storch | 1995-05-30 |
| 4710946 | Method and apparatus for X-ray video fluoroscopic analysis of rock samples | Henry H. Hinch, Gail E. Boyne, Eugene V. Kullmann | 1987-12-01 |