Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902880 | Card reader system and method with printing and verification capability | John S. Garczynski, Jeffrey C. Hahn | 1990-02-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902880 | Card reader system and method with printing and verification capability | John S. Garczynski, Jeffrey C. Hahn | 1990-02-20 |