Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5772505 | Dual card scanner apparatus and method | John S. Garczynski | 1998-06-30 |
| 5669816 | Blackjack scanner apparatus and method | John S. Garczynski | 1997-09-23 |
| 4492855 | Badge reader with improved slide arrangement | John S. Garczynski, Frank J. Reed, Jeffrey C. Hahn | 1985-01-08 |