Gebr. Knauf Westdeutsche Gipswerke

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Patents Grantslast 30 patents

Information Patent Grant
Gypsum construction sheet with glass fiber/non-woven felt lining sheet
- Patent number 4,504,533
- Issue date Mar 12, 1985
- Gebr. Knauf Westdeutsche Gipswerke
- Herbert Altenhofer
- E04 - BUILDING
Information Patent Grant
Process for the production of fiber-containing plaster boards
- Patent number 4,214,027
- Issue date Jul 22, 1980
- Gebr. Knauf Westdeutsche Gipswerke
- Alfons Knuaf
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Process for the manufacture of lump calcium sulfate
- Patent number 4,173,610
- Issue date Nov 6, 1979
- Gebr. Knauf Westdeutsche Gipswerke
- Rolf Huller
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

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