Inventor
REINISCH HELMUT-KARL
DE5 patents
⚠️ This page may combine multiple inventors who share the name “REINISCH HELMUT-KARL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GIESECKE & DEVRIENT GMBH
3 patentsUS7552864B2Jun 30, 2009
Method for verifying the authenticity of documents
GIESECKE & DEVRIENT GMBH9 citations79
US7699153B2Apr 20, 2010
Method for identifying counterfeit banknotes
GIESECKE & DEVRIENT GMBH12 citations78
US8006898B2Aug 30, 2011
Method for verifying the authenticity of documents
GIESECKE & DEVRIENT GMBH6 citations68