Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668321 | Verification of identity of participant in electronic communication | Donald F. Nendell, David L. Hunter, Sr. | 2003-12-23 |
| 6343361 | Dynamic challenge-response authentication and verification of identity of party sending or receiving electronic communication | Donald F. Nendell, David L. Hunter, Sr. | 2002-01-29 |