Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404865 | Domestic to country call intercept process (CIP) | Dean C. Marchand | 2002-06-11 |
| 6404871 | Termination number screening | Dean C. Marchand | 2002-06-11 |
| 6396915 | Country to domestic call intercept process (CIP) | Dean C. Marchand | 2002-05-28 |
| 6335971 | Country to country call intercept process | Dean C. Marchand | 2002-01-01 |