Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4393269 | Method and apparatus incorporating a one-way sequence for transaction and identity verification | Stephen M. Matyas, Carl H. W. Meyer | 1983-07-12 |
| 4264782 | Method and apparatus for transaction and identity verification | — | 1981-04-28 |
| 4223403 | Cryptographic architecture for use with a high security personal identification system | Louis B. Tuckerman, III | 1980-09-16 |