Inventor

DANIEL FRANZ

DE2 patents

Patents

2 patents

US6283509B1Sep 4, 2001

Data carrier with an optically variable element

GIESECKE & DEVRIENT GMBH49 citations94

US6036233AMar 14, 2000

Data carrier with an optically variable element

GIESECKE & DEVRIENT GMBH70 citations94