Optically Variable Surface Pattern
Patent No. EP2909660 (titled "Optically Variable Surface Pattern") was filed by Giesecke & Devrient on Oct 14, 2013. The application was issued on Apr 9, 2025.
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EP2909660
- Application Number
- EP13782657A
- Filing Date
- Oct 14, 2013
- Status
- Granted And Under Opposition
- Mar 7, 2025
- Publication Date
- Apr 9, 2025
- External Links
- Slate, Register , Google Patents