Inventor

DAUSMANN GUNTHER

DE3 patents

⚠️ This page may combine multiple inventors who share the name “DAUSMANN GUNTHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HSM HOLOGRAPHIC SYSTEMS MUNCHE

1 patent

US5943131AAug 24, 1999

Method for checking authenticity of a hologram and a reading device for the performance of the method

HSM HOLOGRAPHIC SYSTEMS MUNCHE15 citations64

GIESECKE & DEVRIENT GMBH

1 patent

US7724408B2May 25, 2010

Security system, especially for security documents

GIESECKE & DEVRIENT GMBH2 citations60

MENZ IRINA

1 patent

US8077364B2Dec 13, 2011

Security system, particularly for valuable documents

MENZ IRINA0 citations48