Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5999807 | System and method for the verification of authentic telephone numbers in a wireless telephone system | Dmitry Kaplan, David M. Stanhope, Randolph W. McKernan, Evan R. Green | 1999-12-07 |
| 5970405 | Apparatus and method for preventing fraudulent calls in a wireless telephone system using destination and fingerprint analysis | Dmitry Kaplan, David M. Stanhope, Randolph W. McKernan, Evan R. Green | 1999-10-19 |