Inventor
LOB ERWIN
DE10 patents
⚠️ This page may combine multiple inventors who share the name “LOB ERWIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GAO GES AUTOMATION ORG
8 patentsUS4765656AAug 23, 1988
Data carrier having an optical authenticity feature and methods for producing and testing said data carrier
GAO GES AUTOMATION ORG379 citations98
US5122813AJun 16, 1992
Method of making a multilayer identification card usable as a printing block
GAO GES AUTOMATION ORG45 citations94
US5005872AApr 9, 1991
Multilayer identity card usable as a printing block and a method of producing it
GAO GES AUTOMATION ORG59 citations94
US4894110AJan 16, 1990
Identification card with a visible authenticity feature
GAO GES AUTOMATION ORG68 citations94
US4766026AAug 23, 1988
Identification card with a visible authenticity feature and a method of manufacturing said card
GAO GES AUTOMATION ORG95 citations94
US5304789AApr 19, 1994
Multilayer card-shaped data carrier and method for producing same
GAO GES AUTOMATION ORG132 citations93
US4435834AMar 6, 1984
Method and means for determining the state and/or genuineness of flat articles
GAO GES AUTOMATION ORG135 citations92
US4467209AAug 21, 1984
Method of producing identification cards and a device for carrying out same
GAO GES AUTOMATION ORG34 citations90