Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739627 | Security feature comprising a perforation pattern | Johannes I. M. Cobben | 2004-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739627 | Security feature comprising a perforation pattern | Johannes I. M. Cobben | 2004-05-25 |