Giselher DORFF

Follow

Person

Holzkirchen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Optically variable security element having reflective surface region
- Patent number 11,654,709
- Issue date May 23, 2023
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Kai Herrmann Scherer
- G02 - OPTICS
Information Patent Grant
Optically variable security element having reflective surface region
- Patent number 11,623,465
- Issue date Apr 11, 2023
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Kai Hermann Scherer
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

Information Patent Application
SECURITY ELEMENT TRANSFER MATERIAL FOR TRANSFER, IN GOOD REGISTER,...
- Publication number 20240025200
- Publication date Jan 25, 2024
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Bjorn TEUFEL
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
OPTICALLY VARIABLE SECURITY ELEMENT HAVING REFLECTIVE SURFACE REGION
- Publication number 20210283939
- Publication date Sep 16, 2021
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Kai Herrmann SCHERER
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
OPTICALLY VARIABLE SECURITY ELEMENT HAVING REFLECTIVE SURFACE REGION
- Publication number 20210268825
- Publication date Sep 2, 2021
- GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Kai Hermann SCHERER
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER