Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9248689 | Method for the production of security elements having registered layers of designs | Winfried Hoffmuller, Manfred Heim, Theodor Burchard | 2016-02-02 |
| 9238383 | Method for the production of security elements having mutually registered designs | Winfried Hoffmuller, Manfred Heim | 2016-01-19 |