Inventor
WISJAK EDUARD
DE3 patents
Patents
3 patentsUS6928925B1Aug 16, 2005
Gravure process for printing adjacent color surfaces with various color coating thicknesses
GIESECKE & DEVRIENT GMBH26 citations91
US6712397B1Mar 30, 2004
Embossed data carrier
GIESECKE & DEVRIENT GMBH30 citations90
US7028615B2Apr 18, 2006
Gravure process for printing adjacent color surfaces with various color coating thicknesses
GIESECKE & DEVRIENT GMBH5 citations72