Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8622435 | Security element and method for producing the same | Theodor Burchard, Winfried Hoffmuller, Manfred Heim, Friedrich Kretschmar, Jurgen Ruck | 2014-01-07 |
| 7849993 | Devices and method for the production of sheet material | Klaus Finkenzeller, Thomas Giering, Manfred Heim, Thomas Hildebrandt, Ralf Hobmeier +17 more | 2010-12-14 |
| 7808605 | Sheeting and methods for the production thereof | Winfried Hoffmuller, Theodor Burchard, Manfred Heim | 2010-10-05 |