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Helmut KOESTER
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Frankfurt, DE
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last 30 patents
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Patent Grant
Wing-up light-directing slat, method of production, application, an...
Patent number
10,107,031
Issue date
Oct 23, 2018
Helmut Koester
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Patents Applications
last 30 patents
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Patent Application
Preliminary Products for Light Protection Devices with High-Precisi...
Publication number
20220364411
Publication date
Nov 17, 2022
Helmut Koester
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
WIND-UP LIGHT-DIRECTING SLAT, METHOD OF PRODUCTION, APPLICATION, AN...
Publication number
20150315841
Publication date
Nov 5, 2015
Helmut KOESTER
G02 - OPTICS