Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6185416 | Method and apparatus for fraud control in cellular telephone systems | John A. Storch, David L. Daniels | 2001-02-06 |
| 5758287 | Hub and remote cellular telephone system | William Chien-Yeh Lee, David Anthony Pasquel | 1998-05-26 |
| 5555551 | Method and apparatus for fraud control in cellular telephone systems | John A. Storch, David L. Daniels | 1996-09-10 |
| 5420910 | Mehtod and apparatus for fraud control in cellular telephone systems utilizing RF signature comparison | John A. Storch, David L. Daniels | 1995-05-30 |