Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980202 | Method and system for creating and accessing hyperlinks from annotations relating to a physical document | — | 2005-12-27 |
| 6941460 | Method and system of marking a text document with a pattern of extra blanks for authentication | Stephen M. Matyas | 2005-09-06 |
| 6941461 | System and method of uniquely authenticating each replication of a group of soft-copy documents | Stephen M. Matyas | 2005-09-06 |
| 6934845 | Method and system of reversibly marking a text document with a pattern of extra blanks for authentication | Stephen M. Matyas | 2005-08-23 |