Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |