Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618167 | Security filament for use in identification cards | — | 1986-10-21 |
| 4592976 | Identification card | — | 1986-06-03 |
| 4455484 | Identification card which is magnetically coded to prevent counterfeiting | — | 1984-06-19 |
| RE31211 | Magnetically coded identification card | — | 1983-04-19 |
| 4253017 | Magnetically coded identification card | — | 1981-02-24 |