Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4422163 | Power down circuit for data protection in a microprocessor-based system | — | 1983-12-20 |
| 4322613 | Method for tamper-proofing magnetic stripe card reader | — | 1982-03-30 |
| 4300042 | Magnetic stripe card author | Frederic D. Weekes | 1981-11-10 |