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Inventor
HEER STEPHAN
DE
2 patents
⚠️ This page may combine multiple inventors who share the name “HEER STEPHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GIESECKE & DEVRIENT GMBH
1 patent
US8367188B2
Feb 5, 2013
Authenticity mark in the form of luminescent substances
GIESECKE & DEVRIENT GMBH
1 citations
48
HEER STEPHAN
1 patent
US8497012B2
Jul 30, 2013
Authenticity mark in the form of a luminescent substance
HEER STEPHAN
1 citations
40