Inventor

GEISELER HENNING

DE2 patents

Patents

2 patents

US12384190B2Aug 12, 2025

Valuable document having a substrate element and a foil element, and method for classifying a valuable document

GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH0 citations56

US12450967B2Oct 21, 2025

Sensor for verifying value documents

GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH0 citations41