Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9023169 | Functional laminate | Manfred Michalk, Franziska Hofmann | 2015-05-05 |
| 8619244 | Method of checking the authenticity of a document with a co-laminated fabric layer inside | Hermann Hecker | 2013-12-31 |