Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419157 | Methods for processing security documents | Michael A. Ehrhart, Robert M. Hussey, Todd A. Dueker, Cayetano Sanchez, III, Walter Szrek +4 more | 2002-07-16 |
| 6405929 | Material detection systems for security documents | Michael A. Ehrhart, Robert M. Hussey, Todd A. Dueker, Cayetano Sanchez III, Walter Szrek | 2002-06-18 |