Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822769 | Security device | Kenneth John Drinkwater | 2004-11-23 |
| 6753989 | Recording surface relief microstructure | John David Wiltshire | 2004-06-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822769 | Security device | Kenneth John Drinkwater | 2004-11-23 |
| 6753989 | Recording surface relief microstructure | John David Wiltshire | 2004-06-22 |