Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6155483 | Selective release MICR mechanism | Edward Simeon Chupka, Alan H. Walker | 2000-12-05 |
| 6089450 | Receipt printer having a check reading mechanism with selective engagement | — | 2000-07-18 |
| 6085973 | Receipt printer having a check reading mechanism with selective engagement | Edward Simeon Chupka, Alan H. Walker | 2000-07-11 |