Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10046585 | Micro-optic viewing arrangement | Winfried Hoffmuller, Michael Rahm, Andreas Rauch, Rudolf Seidler, Anne Bucker +3 more | 2018-08-14 |
| 9248689 | Method for the production of security elements having registered layers of designs | Winfried Hoffmuller, Patrick Renner, Manfred Heim | 2016-02-02 |
| 8968856 | Security element and method for its production | Winfried Hoffmuller | 2015-03-03 |
| 8964296 | Method for producing a microstructure on a carrier | Winfried Hoffmuller, Michael Rahm, Josef Schinabeck, Manfred Heim, Andreas Rauch +1 more | 2015-02-24 |
| 8702906 | Dewatering screen and method for manufacturing the same | André Gregarek, Andreas Hanelt, Bernhard Wiedner, Andreas Aigner, Gunther Wild | 2014-04-22 |
| 8685488 | Method for producing a microstructure | Winfried Hoffmuller, Marius Dichtl, Patrick Renner, Michael Rahm, Manfred Heim +4 more | 2014-04-01 |
| 8622435 | Security element and method for producing the same | Winfried Hoffmuller, Thorsten Pillo, Manfred Heim, Friedrich Kretschmar, Jurgen Ruck | 2014-01-07 |
| 8349132 | Dewatering screen and method for the production thereof | André Gregarek, Andreas Hanelt, Bernhard Wiedner, Andreas Aigner, Gunther Wild | 2013-01-08 |
| 7808605 | Sheeting and methods for the production thereof | Winfried Hoffmuller, Thorsten Pillo, Manfred Heim | 2010-10-05 |
| 7667894 | Security element and process for producing the same | Winfried Hoffmuller | 2010-02-23 |
| 5803503 | Magnetic metallic safeguarding thread with negative writing | Wittich Kaule, Michael Boehm, Walter Schneider | 1998-09-08 |
| 5599047 | Magnetic metallic safeguarding thread with negative writing and a method of making same | Wittich Kaule, Michael Boehm, Walter Schneider | 1997-02-04 |