Silke Werner

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Heusenstamm, DE

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Patents Grantslast 30 patents

Information Patent Grant
Colored concrete roofing tiles and a method for producing colored c...
- Patent number 6,268,410
- Issue date Jul 31, 2001
- Laferge Braas GmbH
- Andreas Drechsler
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of producing colored concrete bodies such as colored concret...
- Patent number 6,090,329
- Issue date Jul 18, 2000
- Braas GmbH
- Andreas Drechsler
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES