Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6111918 | Two-way data communicating method and system | — | 2000-08-29 |
| 5367577 | Optical testing for genuineness of bank notes and similar paper bills | — | 1994-11-22 |
| 5236074 | Method and a means for recognizing a coin | — | 1993-08-17 |
| 5122754 | Sensor for verification of genuineness of security paper | — | 1992-06-16 |