Inventor

WIEDNER BERNHARD

DE6 patents

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

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

GIESECKE & DEVRIENT GMBH

2 patents

US8349132B2Jan 8, 2013

Dewatering screen and method for the production thereof

GIESECKE & DEVRIENT GMBH2 citations55

US9243366B2Jan 26, 2016

Method and device for manufacturing a sheet-like substrate

GIESECKE & DEVRIENT GMBH0 citations42

HEIM MANFRED

1 patent

US8317231B2Nov 27, 2012

Security element with metallization

HEIM MANFRED3 citations60

HOFFMULLER WINFRIED

1 patent

US10046585B2Aug 14, 2018

Micro-optic viewing arrangement

HOFFMULLER WINFRIED0 citations36