Inventor
KOKRHOUN STEFAN
DE4 patents
⚠️ This page may combine multiple inventors who share the name “KOKRHOUN STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GIESECKE & DEVRIENT GMBH
2 patentsUS9683972B2Jun 20, 2017
Method and device for examining a sheet-shaped or card-shaped valuable document having a security feature having one or more cavities
GIESECKE & DEVRIENT GMBH2 citations69
US9449255B2Sep 20, 2016
Method and apparatus for the determination of classification parameters for the classification of bank notes
GIESECKE & DEVRIENT GMBH0 citations36