Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5191613 | Knowledge based system for document authentication | James M. Graziano | 1993-03-02 |
| 5163091 | Knowledge based system for document authentication (apparatus) | James M. Graziano | 1992-11-10 |
| 5031214 | Document authentication apparatus | James M. Graziano | 1991-07-09 |
| 4981370 | Document authentication apparatus | James M. Graziano | 1991-01-01 |