Inventor

GREGAREK ANDRE

DE6 patents

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

GIESECKE & DEVRIENT GMBH

3 patents

US9697456B2Jul 4, 2017

Optically variable security element

GIESECKE & DEVRIENT GMBH6 citations71

US9683972B2Jun 20, 2017

Method and device for examining a sheet-shaped or card-shaped valuable document having a security feature having one or more cavities

GIESECKE & DEVRIENT GMBH2 citations69

US8349132B2Jan 8, 2013

Dewatering screen and method for the production thereof

GIESECKE & DEVRIENT GMBH2 citations55

GREGAREK ANDRE

2 patents

US8573650B2Nov 5, 2013

Security feature and method for manufacturing the same

GREGAREK ANDRE6 citations67

US8702906B2Apr 22, 2014

Dewatering screen and method for manufacturing the same

GREGAREK ANDRE0 citations42

HOFFMULLER WINFRIED

1 patent

US8534709B2Sep 17, 2013

Security element and method for producing the same

HOFFMULLER WINFRIED4 citations60