Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8170947 | Fraud detection based on call attempt velocity on terminating number | Dean C. Marchand | 2012-05-01 |
| 7236954 | Fraud detection based on call attempt velocity on terminating number | Dean C. Marchand | 2007-06-26 |
| 6947532 | Fraud detection based on call attempt velocity on originating number | Dean C. Marchand | 2005-09-20 |
| 6801607 | System and method for preventing fraudulent calls using a common billing number | Dean C. Marchand, Ron Zimmerman | 2004-10-05 |
| 6570968 | Alert suppression in a telecommunications fraud control system | Dean C. Marchand | 2003-05-27 |
| 6418212 | Telephone fraud detection and prevention | Anna Harrison, Dean C. Marchand | 2002-07-09 |