Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668321 | Verification of identity of participant in electronic communication | Donald F. Nendell, Eric D. Wade | 2003-12-23 |
| 6343361 | Dynamic challenge-response authentication and verification of identity of party sending or receiving electronic communication | Donald F. Nendell, Eric D. Wade | 2002-01-29 |
| 4575156 | Mining block and bit | Leroy E. Den Besten | 1986-03-11 |