Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4326098 | High security system for electronic signature verification | Horst Feistel | 1982-04-20 | $19,828,000 |
| 4302810 | Method and apparatus for secure message transmission for use in electronic funds transfer systems | Paul E. Stuckert | 1981-11-24 | $16,683,000 |