Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9798055 | Optically variable element | Harald Walter, Wayne Robert Tompkin | 2017-10-24 |
| 9592701 | Security element and security document | Jörg Fischer, Olga Kulikovska, Andre Leopold, Wayne Robert Tompkin, Harald Walter | 2017-03-14 |