Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370373 | System and method for detecting cloning fraud in cellular/PCS communications | Donald M. Gerth, Timothy J. Rooney | 2002-04-09 |
| 5740234 | Telephone call monitoring method and apparatus | James E. Black, Jr., Bret A. Cooper, Brian Freeman, Donald M. Gerth, Richard Jordan +6 more | 1998-04-14 |