Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6175407 | Apparatus and method for optically imaging features on the surface of a hand | — | 2001-01-16 |
| 5748766 | Method and device for reducing smear in a rolled fingerprint image | Daniel Frederick Maase | 1998-05-05 |
| 5650842 | Device and method for obtaining a plain image of multiple fingerprints | Daniel Frederick Maase | 1997-07-22 |
| 5528355 | Electro-optic palm scanner system employing a non-planar platen | Daniel Frederick Maase | 1996-06-18 |
| 5416573 | Apparatus for producing fingerprint images which are substantially free of artifacts attributable to moisture on the finger being imaged | — | 1995-05-16 |
| 4537484 | Fingerprint imaging apparatus | Randall C. Fowler, Kenneth Ruby | 1985-08-27 |