Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12189157 | Semi-finished product, security element, methods of producing them and document of value | Carlos Carrasco, Beatriz Cerrolaza, Winfried Hoffmuller, Denise Schwab | 2025-01-07 |
| 9336640 | Security element for securing documents of value | Jurgen Schutzmann, Wolfgang Rauscher, Manfred Heim, Frank Pitter, Dieter Stein | 2016-05-10 |
| 8740094 | Security element for protecting documents of value | Jurgen Schutzmann, Manfred Heim, Dieter Stein | 2014-06-03 |
| 8622435 | Security element and method for producing the same | Theodor Burchard, Winfried Hoffmuller, Thorsten Pillo, Manfred Heim, Jurgen Ruck | 2014-01-07 |
| 8382163 | Security paper | Michael Boehm, Reinhard Plaschka | 2013-02-26 |
| 8276945 | Security element provided with an optically-variable layer and method for the production thereof | Manfred Heim | 2012-10-02 |
| 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 |
| 6726813 | Security device and method for producing it | Wittich Kaule, Gregor Grauvogl, Jurgen Schutzmann | 2004-04-27 |
| 6382677 | Security element and method for producing same | Wittich Kaule, Gregor Grauvogl, Jurgen Schutzmann | 2002-05-07 |