Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056821 | Security marks simulating natural defects for embedding information in documents | Zhigang Fan, Reiner Eschbach, Calvin Jon Marlett, William A. Fuss, Shen-Ge Wang | 2011-11-15 |
| 7965422 | Super resolution encoded microprinting through postscript | Charles M. Hains, Reiner Eschbach, Jon S. McElvain | 2011-06-21 |