Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690811 | Methods and apparatus for hiding data in halftone images | Ming Sun Fu | 2004-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690811 | Methods and apparatus for hiding data in halftone images | Ming Sun Fu | 2004-02-10 |