Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056821 | Security marks simulating natural defects for embedding information in documents | Zhigang Fan, Reiner Eschbach, William A. Fuss, James R. Low, Shen-Ge Wang | 2011-11-15 |