Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5878158 | Ridge-valley minutia associator for fingerprints | Stephen Ferris, Robert L. Powers | 1999-03-02 |
| 5631972 | Hyperladder fingerprint matcher | Stephen Ferris, Robert L. Powers | 1997-05-20 |