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Rudiger Laur
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Dortmund, DE
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Patents Grants
last 30 patents
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Patent Grant
Method for the production of a web
Patent number
8,808,481
Issue date
Aug 19, 2014
Ewald Dorken AG
Jörn Schröer
B32 - LAYERED PRODUCTS
Information
Patent Grant
Process for the production of an underlay for roofs
Patent number
8,263,184
Issue date
Sep 11, 2012
Ewald Doerken AG
Norbert Klingelhage
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
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Patent Application
Multi-Layer Composite Film for the Construction Sector
Publication number
20170036429
Publication date
Feb 9, 2017
Ewald Dorken AG
Carsten Harfmann
B32 - LAYERED PRODUCTS
Information
Patent Application
Building Material
Publication number
20080315163
Publication date
Dec 25, 2008
Ewald Dorken AG
Jorn Schroer
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Application
Method For the Production of a Web
Publication number
20080227350
Publication date
Sep 18, 2008
Ewald Dorken AG
Jorn Schroer
B32 - LAYERED PRODUCTS
Information
Patent Application
Process For the Production of an Underlay For Roofs
Publication number
20080227353
Publication date
Sep 18, 2008
Norbert Klingelhage
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...