Franz Kissner

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Hohenroth, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing powdery, vitreous carbon useful for making...
- Patent number 6,231,787
- Issue date May 15, 2001
- Preh-Werke GmbH & Co., KG
- Peter Ambros
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Paste having predetermined electrical conductivity, and resistive f...
- Patent number 6,030,552
- Issue date Feb 29, 2000
- Preh-Werke GmbH & Co. KG
- Peter Ambros
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES