Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8848266 | Security element and method for producing a security element | Wayne Robert Tompkin, Norbert Lutz, Markus Burkhardt | 2014-09-30 |
| 8562026 | Security element and process for the production of a security element | Wayne Robert Tompkin, Ludwig Brehm, Andreas Schilling | 2013-10-22 |
| 8507154 | Volume hologram comprising expansion agent layer or contraction agent layer for creating color patterns | Achim Hansen, Wayne Robert Tompkin, Markus Burkhardt | 2013-08-13 |
| 8498034 | Security element and method for producing a security element | Wayne Robert Tompkin, Norbert Lutz, Markus Burkhardt | 2013-07-30 |