Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8833663 | Image processing techniques for printing identification cards and documents | Charles F. Duggan, Robert L. Jones, Daoshen Bi | 2014-09-16 |
| 8033477 | Optically variable personalized indicia for identification documents | Robert L. Jones, Daoshen Bi, Charles F. Duggan | 2011-10-11 |
| 7815124 | Image processing techniques for printing identification cards and documents | Charles F. Duggan, Robert L. Jones, Daoshen Bi | 2010-10-19 |
| 7694887 | Optically variable personalized indicia for identification documents | Robert L. Jones, Daoshen Bi, Charles F. Duggan | 2010-04-13 |