| 8465625 |
Security paper and method and apparatus for producing the same |
Michael Boehm, Horst Reigl |
2013-06-18 |
| 8449969 |
Security element for security papers and valuable documents |
Mario Keller |
2013-05-28 |
| 8333870 |
Security paper |
Mario Keller, Reinhard Tauber, Rudolf Seidler |
2012-12-18 |
| 7989055 |
Security element and method for producing the same |
Mario Keller, Lars Hoffmann |
2011-08-02 |
| 7744797 |
Interlaminar structure for security element |
— |
2010-06-29 |
| 7648763 |
Security element and method for production thereof |
Manfred Heim |
2010-01-19 |
| 7479320 |
Security element and method for producing the same |
Mario Keller, Lars Hoffmann |
2009-01-20 |
| 6491324 |
Safety document |
Christian Schmitz |
2002-12-10 |
| 6474695 |
Security element in the form of a thread or be embedded in security and methods of producing it |
Walter Schneider |
2002-11-05 |
| 6343745 |
Security device |
Michael Bohm, Christian Schmitz |
2002-02-05 |
| 6030691 |
"""Antifalsification"" paper having a thread or band shaped security element and a method of producing same" |
Christian Schmitz, Michael Bohm |
2000-02-29 |
| 5876068 |
Security element in the form of a thread or strip to be embedded in security documents and methods of producing it |
Walter Schneider |
1999-03-02 |
| 5688587 |
Antifalsification paper having a thread- or band-shaped security element and a method for producing it |
Christian Schmitz, Michael Bohm |
1997-11-18 |