Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854146 | Security device and method | John O'Connell, Hugh Trevor-Jones | 1989-08-08 |
| 4810861 | Information carrier and reader | Victor L. Herriott | 1989-03-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854146 | Security device and method | John O'Connell, Hugh Trevor-Jones | 1989-08-08 |
| 4810861 | Information carrier and reader | Victor L. Herriott | 1989-03-07 |