Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968173 | Sheet with a copy-resistant region of reduced opacity | Yvan Thierry, Stephane Mallol | 2011-06-28 |
| 7936660 | Optical disk for an identification element | Pierre Doublet | 2011-05-03 |
| 7905422 | Relatively small security elements, production method thereof, sheet and security document comprising same | Pierre Doublet | 2011-03-15 |