Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804331 | Method, apparatus, and computer readable media for minimizing the risk of fraudulent receipt of telephone calls | Jill M. Vacek, Mark J. Pettay, Hendryanto Rilantono | 2004-10-12 |