Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802003 | Method and apparatus for authenticating content | Mark T. Gross, David M. Barth | 2004-10-05 |
| 6802004 | Method and apparatus for authenticating content in a portable device | Mark T. Gross, David M. Barth | 2004-10-05 |