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Berthold Schoenig
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Rossdorf, DE
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Patents Grants
last 30 patents
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Patent Grant
Light guide plate and method for the production thereof
Patent number
10,466,406
Issue date
Nov 5, 2019
Evonik Roehm GmbH
Herbert Groothues
G02 - OPTICS
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Patent Grant
Optical diffuser plates
Patent number
6,424,406
Issue date
Jul 23, 2002
Roehm GmbH & Co KG
Michael Mueller
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Patents Applications
last 30 patents
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Patent Application
LIGHT GUIDE PLATE AND METHOD FOR THE PRODUCTION THEREOF
Publication number
20160170128
Publication date
Jun 16, 2016
Evonik Roehm GmbH
Herbert GROOTHUES
G02 - OPTICS