Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6542629 | Digital imaging method and apparatus for detection of document security marks | John W. Wu, Mike Chien-Fang Chen, Zhigang Fan | 2003-04-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6542629 | Digital imaging method and apparatus for detection of document security marks | John W. Wu, Mike Chien-Fang Chen, Zhigang Fan | 2003-04-01 |