Issued Patents 2011
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062735 | Retroreflective security features in secure documents | Daoshen Bi, Chris Collins | 2011-11-22 |
| 8033477 | Optically variable personalized indicia for identification documents | Daoshen Bi, Charles F. Duggan, Nelson T. Schneck | 2011-10-11 |
| 8033476 | Identification document with three dimensional image of bearer | — | 2011-10-11 |
| 8025239 | Multiple image security features for identification documents and methods of making same | Brian Labrec, Joseph Anderson, Danielle Batey | 2011-09-27 |
| 8002190 | Stability of covert pigments | Daoshen Bi, Jack Richardson | 2011-08-23 |
| 7963449 | Tamper evident adhesive and identification document including same | Daoshen Bi, Tung-Feng Yeh | 2011-06-21 |
| 7939465 | Image destruct feature used with image receiving layers in secure documents | Daoshen Bi, Tung-Feng Yeh, Brian Labrec | 2011-05-10 |
| 7938333 | Secure core material for documents | — | 2011-05-10 |
| 7927685 | Laser engraving methods and compositions, and articles having laser engraving thereon | Brian Labrec | 2011-04-19 |
| 7866559 | ID document structure with pattern coating providing variable security features | Daoshen Bi, Tung-Feng Yeh, Scott Haigh | 2011-01-11 |