Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8298753 | Method of generating a laser mark in a security document, and security document of this kind | Rene Staub, Wayne Robert Tompkin, Achim Hansen, Andreas Schilling, Olaf Krolzig | 2012-10-30 |
| 5047651 | Arrangement for measuring a deviation from its line of a movable web of foil | Michael Wessner | 1991-09-10 |